Rough idle help needed
Rough idle help needed
2002. Starts easy enough, runs horrible, really rough and lots of white smoke. Will die if left unattended, doesnt matter if its plugged in or not. GPR was bad, replaced. Checked all glow plugs, all at .6-.8. After I start it, if I give it some throttle, I can get it past the rough running enough to get it going. Then I pretty much have to drive it and throttle it through a couple of gears and it clears out and runs fine.
Thank you for your help!
EDIT: I cleared the codes on it yesterday with code reader I picked up. Ran codes on it this morning after I got home. Here is what was pulled from Forscan. The water in fuel sensor is bad (got one on order). No matter how much I drain it comes back on, so assuming its bad anyway
===OBDII DTC None===
Successful DTC reading, no error codes found
Module: On Board Diagnostic II
===END OBDII DTC None===
===IC DTC U1027===
Code: U1027 - Engine RPM Data Invalid
Module: Instrument Cluster
Diagnostic Trouble Code details
At some time in the past a corrupt message was received from the PCM. Try clearing the DTC to see if this DTC re occurs. If it does then carefully check the SCP wiring and run the PCM diagnostic.
===END IC DTC U1027===
===IC DTC B1352===
Code: B1352 - Ignition key in circuit fault
Module: Instrument Cluster
Diagnostic Trouble Code details
Ignition key in circuit fault
--- Possible Causes --------
This DTC can be generated by:
-Open Key-In Ignition Switch circuit
- Battery short Key-In Ignition Switch circuit
- Battery short Ignition Switch RUN/ACCY circuit
- Suspect Ignition Switch
- Suspect Lighting Control Module.
===END IC DTC B1352===
===IC DTC U1262===
Code: U1262 - SCP Data Link Fault
Module: Instrument Cluster
Diagnostic Trouble Code details
SCP Data Link Fault
Operator Action
Run self test.
All CMDTCs
Fix all relevant DTCs then clear codes and retest.
Note:
DTCs that start with 'U' are faults which occur during module-to-module communication.
Modules should never be replaced based only on a 'U' code. These codes do not always indicate a problem, and can be caused by normal diagnostic functions, carried out on the vehicle.
===END IC DTC U1262===
===PCM DTC P1280===
Code: P1280 - Injector Control Pressure Failure
Module: Powertrain Control Module
Diagnostic Trouble Code details
Injector Control Pressure (ICP) circuit out of range low.
--Possible Causes--
- Open or grounded ICP circuit.
- Open VREF circuit.
- Damaged ICP sensor.
- Damaged PCM.
===END PCM DTC P1280===
===PCM DTC P0472===
Code: P0472 - Exhaust Pressure Sensor Low Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
Exhaust Pressure Sensor Low Input
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
EBP sensor
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM DTC P0472===
===PCM DTC P0118===
Code: P0118 - ECT Sensor Circuit High Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
ECT Sensor Circuit High Input
This DTC may be caused by :
Sensor Previously disconnected.
Damaged or contaminated connector
Improper connection
Incorrect VREF.
Signal shorted to VBATT or vref.
Open Circuit
SIGRTN open circuit
Suspect ECT sensor.
Faulty or damaged PCM.
===END PCM DTC P0118===
===PCM DTC P0198===
Code: P0198 - Engine Oil Temperature Sensor Circuit High Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
Engine Oil Temperature(EOT) circuit out of range high.
--Possible Causes--
- Open circuit.
- Short to VREF.
- Damaged sensor.
- Damaged PCM.
===END PCM DTC P0198===
===PCM DTC P1119===
Code: P1119 - Manifold Air Temperature Circuit High Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Air Temperature Circuit High Input
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Manifold air intake temperature sensor.
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM DTC P1119===
===PCM DTC P1140===
Code: P1140 - Water in Fuel Condition
Module: Powertrain Control Module
Diagnostic Trouble Code details
Water in Fuel Condition
This DTC may be caused by :
Short to Ground
Possible causes are:
Harness wiring
PCM
WIF Sensor
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM DTC P1140===
===PCM DTC P0475===
Code: P0475 - Exhaust pressure control valve malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Exhaust pressure control valve malfunction.
--Possible Causes--
- Short to power.
- Open or grounded circuit.
- Damaged solenoid.
- Damaged PCM.
===END PCM DTC P0475===
===PCM DTC P0541===
Code: P0541 - Manifold Intake Air Heater Circuit Low
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Intake Air Heater Circuit Low
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
MIAH Relay
PCM
Thank you for your help!
EDIT: I cleared the codes on it yesterday with code reader I picked up. Ran codes on it this morning after I got home. Here is what was pulled from Forscan. The water in fuel sensor is bad (got one on order). No matter how much I drain it comes back on, so assuming its bad anyway

===OBDII DTC None===
Successful DTC reading, no error codes found
Module: On Board Diagnostic II
===END OBDII DTC None===
===IC DTC U1027===
Code: U1027 - Engine RPM Data Invalid
Module: Instrument Cluster
Diagnostic Trouble Code details
At some time in the past a corrupt message was received from the PCM. Try clearing the DTC to see if this DTC re occurs. If it does then carefully check the SCP wiring and run the PCM diagnostic.
===END IC DTC U1027===
===IC DTC B1352===
Code: B1352 - Ignition key in circuit fault
Module: Instrument Cluster
Diagnostic Trouble Code details
Ignition key in circuit fault
--- Possible Causes --------
This DTC can be generated by:
-Open Key-In Ignition Switch circuit
- Battery short Key-In Ignition Switch circuit
- Battery short Ignition Switch RUN/ACCY circuit
- Suspect Ignition Switch
- Suspect Lighting Control Module.
===END IC DTC B1352===
===IC DTC U1262===
Code: U1262 - SCP Data Link Fault
Module: Instrument Cluster
Diagnostic Trouble Code details
SCP Data Link Fault
Operator Action
Run self test.
All CMDTCs
Fix all relevant DTCs then clear codes and retest.
Note:
DTCs that start with 'U' are faults which occur during module-to-module communication.
Modules should never be replaced based only on a 'U' code. These codes do not always indicate a problem, and can be caused by normal diagnostic functions, carried out on the vehicle.
===END IC DTC U1262===
===PCM DTC P1280===
Code: P1280 - Injector Control Pressure Failure
Module: Powertrain Control Module
Diagnostic Trouble Code details
Injector Control Pressure (ICP) circuit out of range low.
--Possible Causes--
- Open or grounded ICP circuit.
- Open VREF circuit.
- Damaged ICP sensor.
- Damaged PCM.
===END PCM DTC P1280===
===PCM DTC P0472===
Code: P0472 - Exhaust Pressure Sensor Low Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
Exhaust Pressure Sensor Low Input
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
EBP sensor
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM DTC P0472===
===PCM DTC P0118===
Code: P0118 - ECT Sensor Circuit High Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
ECT Sensor Circuit High Input
This DTC may be caused by :
Sensor Previously disconnected.
Damaged or contaminated connector
Improper connection
Incorrect VREF.
Signal shorted to VBATT or vref.
Open Circuit
SIGRTN open circuit
Suspect ECT sensor.
Faulty or damaged PCM.
===END PCM DTC P0118===
===PCM DTC P0198===
Code: P0198 - Engine Oil Temperature Sensor Circuit High Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
Engine Oil Temperature(EOT) circuit out of range high.
--Possible Causes--
- Open circuit.
- Short to VREF.
- Damaged sensor.
- Damaged PCM.
===END PCM DTC P0198===
===PCM DTC P1119===
Code: P1119 - Manifold Air Temperature Circuit High Input
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Air Temperature Circuit High Input
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Manifold air intake temperature sensor.
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM DTC P1119===
===PCM DTC P1140===
Code: P1140 - Water in Fuel Condition
Module: Powertrain Control Module
Diagnostic Trouble Code details
Water in Fuel Condition
This DTC may be caused by :
Short to Ground
Possible causes are:
Harness wiring
PCM
WIF Sensor
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM DTC P1140===
===PCM DTC P0475===
Code: P0475 - Exhaust pressure control valve malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Exhaust pressure control valve malfunction.
--Possible Causes--
- Short to power.
- Open or grounded circuit.
- Damaged solenoid.
- Damaged PCM.
===END PCM DTC P0475===
===PCM DTC P0541===
Code: P0541 - Manifold Intake Air Heater Circuit Low
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Intake Air Heater Circuit Low
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
MIAH Relay
PCM
Lots of seemingly unrelated codes. These are the ones that came back?
I'd leave the WIF sensor wire disconnected and taped out of the way for now.
First item I'd check is the engine harness where it crosses the driver side valve cover en route to the 42 pin connector. Pull apart and look underneath for chafing and resulting short to ground on the VC.
While there pop the wire off the ICP sensor and look for oil. If wet replace with OEM Ford or IH, not aftermarket. The cheapies tend to have problems.
How much fuel in the tank? 1/4 or less can be a problem.
The rough running, dying and white smoke sound like fuel starvation. But if it clears up and runs normally after some driving that sounds like a clog on the in tank screens clearing off due to sloshing. A fuel pressure gauge monitored while operating would be best. Barring that observe the fuel volume from the fuel bowl drain. When running bad, turn off and key fuel pump back on (do not start) and watch flow into clean container so you can put it back. A helper to key on is needed there as pump will only run for 20 seconds unless engine starts. Do same visual check when running well.
How long has it been doing this?
I'd leave the WIF sensor wire disconnected and taped out of the way for now.
First item I'd check is the engine harness where it crosses the driver side valve cover en route to the 42 pin connector. Pull apart and look underneath for chafing and resulting short to ground on the VC.
While there pop the wire off the ICP sensor and look for oil. If wet replace with OEM Ford or IH, not aftermarket. The cheapies tend to have problems.
How much fuel in the tank? 1/4 or less can be a problem.
The rough running, dying and white smoke sound like fuel starvation. But if it clears up and runs normally after some driving that sounds like a clog on the in tank screens clearing off due to sloshing. A fuel pressure gauge monitored while operating would be best. Barring that observe the fuel volume from the fuel bowl drain. When running bad, turn off and key fuel pump back on (do not start) and watch flow into clean container so you can put it back. A helper to key on is needed there as pump will only run for 20 seconds unless engine starts. Do same visual check when running well.
How long has it been doing this?
Lots of seemingly unrelated codes. These are the ones that came back?
I'd leave the WIF sensor wire disconnected and taped out of the way for now.
First item I'd check is the engine harness where it crosses the driver side valve cover en route to the 42 pin connector. Pull apart and look underneath for chafing and resulting short to ground on the VC.
While there pop the wire off the ICP sensor and look for oil. If wet replace with OEM Ford or IH, not aftermarket. The cheapies tend to have problems.
How much fuel in the tank? 1/4 or less can be a problem.
The rough running, dying and white smoke sound like fuel starvation. But if it clears up and runs normally after some driving that sounds like a clog on the in tank screens clearing off due to sloshing. A fuel pressure gauge monitored while operating would be best. Barring that observe the fuel volume from the fuel bowl drain. When running bad, turn off and key fuel pump back on (do not start) and watch flow into clean container so you can put it back. A helper to key on is needed there as pump will only run for 20 seconds unless engine starts. Do same visual check when running well.
How long has it been doing this?
I'd leave the WIF sensor wire disconnected and taped out of the way for now.
First item I'd check is the engine harness where it crosses the driver side valve cover en route to the 42 pin connector. Pull apart and look underneath for chafing and resulting short to ground on the VC.
While there pop the wire off the ICP sensor and look for oil. If wet replace with OEM Ford or IH, not aftermarket. The cheapies tend to have problems.
How much fuel in the tank? 1/4 or less can be a problem.
The rough running, dying and white smoke sound like fuel starvation. But if it clears up and runs normally after some driving that sounds like a clog on the in tank screens clearing off due to sloshing. A fuel pressure gauge monitored while operating would be best. Barring that observe the fuel volume from the fuel bowl drain. When running bad, turn off and key fuel pump back on (do not start) and watch flow into clean container so you can put it back. A helper to key on is needed there as pump will only run for 20 seconds unless engine starts. Do same visual check when running well.
How long has it been doing this?
It has about 1/4 tank in it. Ill fill it up.
Would a video of starting it help?
The P1280 code almost always indicates a bad ICP sensor. As stated, pop the connector off and look for oil. If it is wet, replace it. Even if it is not wet, having a P1280 code would make me want to replace it anyway.
Since I put a new one on it a couple months ago, I checked it. The harness plug had oil in it, so I sprayed it out and and put it back together.
Started great! a little white smoke, but good idle and warmed up and ran fine.
Ran codes and am getting all kinds of strange stuff.
Do these codes go back to a PCM failure or do I need to go ahead and pull the harness apart on driver vc and inspect? Ive never seen it come up with these.
Thank you all for your help! Its running good, but I wanna figure out the rest of this.
I forgot to include Im running a DP tuner F5 on it. I should have put that in my first post...

Code: P1536 - Parking Brake Switch Circuit
Module: Powertrain Control Module
Diagnostic Trouble Code details
Parking Brake Switch Circuit
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P1536===
===DTC P0220===
Code: P0220 - TP - B sensor/switch malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
TP - B sensor/switch malfunction
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Idle Validation Switch
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0220===
===DTC P0704===
Code: P0704 - Clutch switch input circuit malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Clutch switch input circuit malfunction
Shorted to power.
Suspect Clutch Pedal Position switch.
This DTC may be caused by :
Suspect PCM.
===END DTC P0704===
===DTC P0571===
Code: P0571 - Speed Control Brake switch circuit failure
Module: Powertrain Control Module
Diagnostic Trouble Code details
Brake switch circuit malfunction.
--Possible Causes--
- Operator intervention error.
- Open, short to B+ or GND in BPA circuit between PCM and switch.
- Open or short to GND between switch and power.
- Blown fuse.
- Damaged switch.
- Damaged PCM.
Note: Code will set if vehicle is not equipped with cruise control.
===END DTC P0571===
===DTC P0703===
Code: P0703 - BOO switch circuit fault
Module: Powertrain Control Module
Diagnostic Trouble Code details
Brake Switch B Input Circuit
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Brake Switch
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0703===
===DTC P0565===
Code: P0565 - Cruise control on signal malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise control on signal malfunction
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0565===
===DTC P0566===
Code: P0566 - Cruise Control OFF Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control OFF Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0566===
===DTC P0567===
Code: P0567 - Cruise Control RESUME Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control RESUME Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0567===
===DTC P0568===
Code: P0568 - Cruise Control SET Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control SET Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0568===
===DTC P0569===
Code: P0569 - Cruise Control COAST Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise (COAST) signal malfunction.
--Possible Causes--
- Operator intervention error.
- Worn or damaged speed control switch.
- Open, grounded, or short to power in SCCS circuit.
- Open or short in SC GND circuit.
- Open in Power supply circuit.
- Damaged PCM.
Note: Code will set if vehicle is not equipped with cruise control.
===END DTC P0569===
===DTC P0541===
Code: P0541 - Manifold Intake Air Heater Circuit Low
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Intake Air Heater Circuit Low
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
MIAH Relay
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0541===
Since I put a new one on it a couple months ago, I checked it. The harness plug had oil in it, so I sprayed it out and and put it back together.
Started great! a little white smoke, but good idle and warmed up and ran fine.
Ran codes and am getting all kinds of strange stuff.
Do these codes go back to a PCM failure or do I need to go ahead and pull the harness apart on driver vc and inspect? Ive never seen it come up with these.
Thank you all for your help! Its running good, but I wanna figure out the rest of this.
I forgot to include Im running a DP tuner F5 on it. I should have put that in my first post...
Code: P1536 - Parking Brake Switch Circuit
Module: Powertrain Control Module
Diagnostic Trouble Code details
Parking Brake Switch Circuit
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P1536===
===DTC P0220===
Code: P0220 - TP - B sensor/switch malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
TP - B sensor/switch malfunction
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Idle Validation Switch
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0220===
===DTC P0704===
Code: P0704 - Clutch switch input circuit malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Clutch switch input circuit malfunction
Shorted to power.
Suspect Clutch Pedal Position switch.
This DTC may be caused by :
Suspect PCM.
===END DTC P0704===
===DTC P0571===
Code: P0571 - Speed Control Brake switch circuit failure
Module: Powertrain Control Module
Diagnostic Trouble Code details
Brake switch circuit malfunction.
--Possible Causes--
- Operator intervention error.
- Open, short to B+ or GND in BPA circuit between PCM and switch.
- Open or short to GND between switch and power.
- Blown fuse.
- Damaged switch.
- Damaged PCM.
Note: Code will set if vehicle is not equipped with cruise control.
===END DTC P0571===
===DTC P0703===
Code: P0703 - BOO switch circuit fault
Module: Powertrain Control Module
Diagnostic Trouble Code details
Brake Switch B Input Circuit
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Brake Switch
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0703===
===DTC P0565===
Code: P0565 - Cruise control on signal malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise control on signal malfunction
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0565===
===DTC P0566===
Code: P0566 - Cruise Control OFF Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control OFF Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0566===
===DTC P0567===
Code: P0567 - Cruise Control RESUME Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control RESUME Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0567===
===DTC P0568===
Code: P0568 - Cruise Control SET Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control SET Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0568===
===DTC P0569===
Code: P0569 - Cruise Control COAST Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise (COAST) signal malfunction.
--Possible Causes--
- Operator intervention error.
- Worn or damaged speed control switch.
- Open, grounded, or short to power in SCCS circuit.
- Open or short in SC GND circuit.
- Open in Power supply circuit.
- Damaged PCM.
Note: Code will set if vehicle is not equipped with cruise control.
===END DTC P0569===
===DTC P0541===
Code: P0541 - Manifold Intake Air Heater Circuit Low
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Intake Air Heater Circuit Low
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
MIAH Relay
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0541===
Started great! a little white smoke, but good idle and warmed up and ran fine.
Ran codes and am getting all kinds of strange stuff.
Do these codes go back to a PCM failure or do I need to go ahead and pull the harness apart on driver vc and inspect? Ive never seen it come up with these.
Thank you all for your help! Its running good, but I wanna figure out the rest of this.
I forgot to include Im running a DP tuner F5 on it. I should have put that in my first post...

Code: P1536 - Parking Brake Switch Circuit
Module: Powertrain Control Module
Diagnostic Trouble Code details
Parking Brake Switch Circuit
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P1536===
===DTC P0220===
Code: P0220 - TP - B sensor/switch malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
TP - B sensor/switch malfunction
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Idle Validation Switch
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0220===
===DTC P0704===
Code: P0704 - Clutch switch input circuit malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Clutch switch input circuit malfunction
Shorted to power.
Suspect Clutch Pedal Position switch.
This DTC may be caused by :
Suspect PCM.
===END DTC P0704===
===DTC P0571===
Code: P0571 - Speed Control Brake switch circuit failure
Module: Powertrain Control Module
Diagnostic Trouble Code details
Brake switch circuit malfunction.
--Possible Causes--
- Operator intervention error.
- Open, short to B+ or GND in BPA circuit between PCM and switch.
- Open or short to GND between switch and power.
- Blown fuse.
- Damaged switch.
- Damaged PCM.
Note: Code will set if vehicle is not equipped with cruise control.
===END DTC P0571===
===DTC P0703===
Code: P0703 - BOO switch circuit fault
Module: Powertrain Control Module
Diagnostic Trouble Code details
Brake Switch B Input Circuit
This DTC may be caused by :
Open circuit.
Short to power
Possible causes are:
Harness wiring
Brake Switch
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0703===
===DTC P0565===
Code: P0565 - Cruise control on signal malfunction
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise control on signal malfunction
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0565===
===DTC P0566===
Code: P0566 - Cruise Control OFF Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control OFF Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0566===
===DTC P0567===
Code: P0567 - Cruise Control RESUME Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control RESUME Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0567===
===DTC P0568===
Code: P0568 - Cruise Control SET Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise Control SET Signal
Follow the routines in the service manual to resolve the DTC listed.
===END DTC P0568===
===DTC P0569===
Code: P0569 - Cruise Control COAST Signal
Module: Powertrain Control Module
Diagnostic Trouble Code details
Cruise (COAST) signal malfunction.
--Possible Causes--
- Operator intervention error.
- Worn or damaged speed control switch.
- Open, grounded, or short to power in SCCS circuit.
- Open or short in SC GND circuit.
- Open in Power supply circuit.
- Damaged PCM.
Note: Code will set if vehicle is not equipped with cruise control.
===END DTC P0569===
===DTC P0541===
Code: P0541 - Manifold Intake Air Heater Circuit Low
Module: Powertrain Control Module
Diagnostic Trouble Code details
Manifold Intake Air Heater Circuit Low
This DTC may be caused by :
Open circuit.
Short to Ground
Possible causes are:
Harness wiring
MIAH Relay
PCM
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END DTC P0541===
All of those codes are pretty random and not seen often. If it is running and driving well, I would not suspect your PCM is bad.
A lot of the codes you listed have to do with the cruise control. Is everything working fine there?
Glad to hear it is running better.
All of those codes are pretty random and not seen often. If it is running and driving well, I would not suspect your PCM is bad.
A lot of the codes you listed have to do with the cruise control. Is everything working fine there?
All of those codes are pretty random and not seen often. If it is running and driving well, I would not suspect your PCM is bad.
A lot of the codes you listed have to do with the cruise control. Is everything working fine there?
Trending Topics
When was the last time you cleared all the codes? If you haven't in a while, do that first and then go drive it to see if they return.
===OBDII DTC ===
Successful DTC reading, no error codes found
Module: On Board Diagnostic II
===END OBDII===
===IC DTC U1262===
Code: U1262 - SCP Data Link Fault
Module: Instrument Cluster
Diagnostic Trouble Code details
SCP Data Link Fault
Operator Action
Run self test.
All CMDTCs
Fix all relevant DTCs then clear codes and retest.
Note:
DTCs that start with 'U' are faults which occur during module-to-module communication.
Modules should never be replaced based only on a 'U' code. These codes do not always indicate a problem, and can be caused by normal diagnostic functions, carried out on the vehicle.
===END IC===
===PCM DTC P1140===
Code: P1140 - Water in Fuel Condition
Module: Powertrain Control Module
Diagnostic Trouble Code details
Water in Fuel Condition
This DTC may be caused by :
Short to Ground
Possible causes are:
Harness wiring
PCM
WIF Sensor
Inspect connectors for signs of damage, water ingress, corrosion, etc.
===END PCM===
===RCM DTC ===
Successful DTC reading, no error codes found
Module: Restraint Control Module
===END RCM===
===GEM DTC P1876===
Code: P1876 - Transfer Case 2-Wheel Drive Solenoid Circuit Open Or Short To Ground
Module: Generic Electronic Module
Diagnostic Trouble Code details
Transfer Case 2-Wheel Drive Solenoid Circuit Open Or Short To Ground
Follow the routines in the service manual to resolve the DTC listed.
===END GEM===
===ABS DTC ===
Successful DTC reading, no error codes found
Module: Anti-Lock Brake / Traction Control Module
===END ABS===
You have so much going on here.... so much random... I would look at the big wiring connector on driver's side of engine. Clean the connector. Then follow the big bundle of wires back to the plugs under the brake master cylinder.... look for a place wiring could be grounding out. Check your engine grounding terminals...pcm ground, etc.
You have so much going on here.... so much random... I would look at the big wiring connector on driver's side of engine. Clean the connector. Then follow the big bundle of wires back to the plugs under the brake master cylinder.... look for a place wiring could be grounding out. Check your engine grounding terminals...pcm ground, etc.
I know the WIF is valid, and the 2wd/4wd is valid as I would have to manually turn in the stock "hubs" when I put it in 4wd or it wouldnt engage.
Im gonna run it for a few days and check codes and see if anything comes back. After two days of running, the smoke and rough start is gone.
Cruise.... the sensor on the brake master cylinder is a known problem. There's a recall on it, as that's the sensor that was burning up a lot of gas burners. Took them years to issue the recall for diesel.... diesel doesn't burn as easy as a gasser... was there reasoning.
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