1994 F150 Airbag Control Module
#1
1994 F150 Airbag Control Module
Where is the airbag control module located in a 94 f150 6 CYC LONG BED,
can this be replaced by a do-it-yourselfer?
I had an air bag fault light blinking 2 then 3 = 23. Tried replacing front sensor but the problem persisted. Went to dealer and they ran diagnostic - they said bad rear senser, bad control module, corroded wires. I didn't have much faith in the young tech, I checked rear sensor wires and found no corrotion where he said it was.
I was going to replace the control module & rear sensor. Found a 95 f150 in good shape at the junk yard....will 95 match 94 sensors & control module?
can this be replaced by a do-it-yourselfer?
I had an air bag fault light blinking 2 then 3 = 23. Tried replacing front sensor but the problem persisted. Went to dealer and they ran diagnostic - they said bad rear senser, bad control module, corroded wires. I didn't have much faith in the young tech, I checked rear sensor wires and found no corrotion where he said it was.
I was going to replace the control module & rear sensor. Found a 95 f150 in good shape at the junk yard....will 95 match 94 sensors & control module?
#4
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Here are the error codes in case the 23 is not the only one. You may find you have additional problem once you fix that code. The body styles are the same, so the modules should work from 94 to 95. But, call the dealer and have them check the part numbers. The locations are listed below....
CODE COMPONENT/FAULT
12 Low Battery voltage
13 Air Bag Circuit Shorted to Ground
14 Front Air Bag Sensor and Bracket Circuit Shorted to Ground
21 Rear Air Bag Sensor and Bracket Not Mounted to Vehicle Properly
22 Rear Air Bag Sensor and Bracket Output Circuit Shorted to Battery Voltage
23 Rear Air Bag Sensor and Bracket Circuit Input Feed/Return Circuit Open
24 Rear Air Bag Sensor and Bracket Output Feed/Return Circuit Open
32 Driver Side Air Bag Circuit High Resistance or Open
34 Driver Side Air Bag Circuit Low Resistance or Shorted
41 RH Front Air Bag Sensor and Bracket Feed/Return Circuit Open
42 LH Front Air Bag Sensor and Bracket Feed/Return Circuit Open
44 RH Front Air Bag Sensor and Bracket Not Mounted to Vehicle Properly
45 LH Front Air Bag Sensor and Bracket Not Mounted to Vehicle Properly
51 Air Bag Diagnostic Monitor Internal Thermal Fuse - Fuse Blown Due to Intermittent Short to Ground
52 Backup Power Supply - Voltage Boost Fault
53 Front Air Bag Sensor and Bracket Circuits Resistance to Ground or Air Bag Diagnostic Monitor Fault
- Rapid Continuous Flashing of Air Bag Indicator (No Fault Code) All Primary Air Bag Sensors Disconnected
- No Air Bag Indicator - Inoperative Indicator Circuit or No Battery Positive Voltage to Air Bag Diagnostic Monitor
- Continuous Air Bag Indicator - Air Bag Diagnostic Monitor Disconnected or Inoperative
Here are the airbag sensor location.................
Air Bag System Component Location
1. Front air bag sensor and bracket (14B005) -- left-hand side of radiator support (16138).
2. Right front air bag sensor and bracket (14B004) -- right-hand side of radiator support support.
3. Right rear air bag sensor and bracket (14B007) -- right B-pillar.
4. Driver side air bag module (043B13) -- steering wheel (3600).
5. Air bag sliding contact (14A664) -- behind steering wheel.
6. NOTE: A thermal fuse is built into the air bag diagnostic monitor (14B056). If a short to ground should occur in the air bag deployment circuit, the microcomputer in the air bag diagnostic monitor will send a signal to the fuse causing it to open. The open fuse removes all firing power (battery/backup power) from the deployment circuits. This prevents unwanted air bag deployments due to damaged vehicle wiring.
NOTE: Code 51 is displayed whenever the diagnostic monitor thermal fuse is open and no other higher priority faults exist (consult Diagnostic Trouble Code Priority Table). Code 51 is normally seen after service of a Code 13 condition.
NOTE: If a Code 51 exists and a Code 13 condition has not been serviced, this means an intermittent short-to-ground exists in the air bag deployment wiring. The intermittent short-to-ground must be located and serviced before servicing the Code 51 condition.
NOTE: Since the thermal fuse is built into the air bag diagnostic monitor, the monitor must be replaced to service a Code 51 condition. NEVER replace the air bag diagnostic monitor without first determining the cause for the Code 51 condition. If the short-to-ground is not properly serviced, the short may reoccur, once again destroying the thermal fuse in the air bag diagnostic monitor.
Air bag diagnostic monitor -- under instrument panel (04320) left of steering column.
CODE COMPONENT/FAULT
12 Low Battery voltage
13 Air Bag Circuit Shorted to Ground
14 Front Air Bag Sensor and Bracket Circuit Shorted to Ground
21 Rear Air Bag Sensor and Bracket Not Mounted to Vehicle Properly
22 Rear Air Bag Sensor and Bracket Output Circuit Shorted to Battery Voltage
23 Rear Air Bag Sensor and Bracket Circuit Input Feed/Return Circuit Open
24 Rear Air Bag Sensor and Bracket Output Feed/Return Circuit Open
32 Driver Side Air Bag Circuit High Resistance or Open
34 Driver Side Air Bag Circuit Low Resistance or Shorted
41 RH Front Air Bag Sensor and Bracket Feed/Return Circuit Open
42 LH Front Air Bag Sensor and Bracket Feed/Return Circuit Open
44 RH Front Air Bag Sensor and Bracket Not Mounted to Vehicle Properly
45 LH Front Air Bag Sensor and Bracket Not Mounted to Vehicle Properly
51 Air Bag Diagnostic Monitor Internal Thermal Fuse - Fuse Blown Due to Intermittent Short to Ground
52 Backup Power Supply - Voltage Boost Fault
53 Front Air Bag Sensor and Bracket Circuits Resistance to Ground or Air Bag Diagnostic Monitor Fault
- Rapid Continuous Flashing of Air Bag Indicator (No Fault Code) All Primary Air Bag Sensors Disconnected
- No Air Bag Indicator - Inoperative Indicator Circuit or No Battery Positive Voltage to Air Bag Diagnostic Monitor
- Continuous Air Bag Indicator - Air Bag Diagnostic Monitor Disconnected or Inoperative
Here are the airbag sensor location.................
Air Bag System Component Location
1. Front air bag sensor and bracket (14B005) -- left-hand side of radiator support (16138).
2. Right front air bag sensor and bracket (14B004) -- right-hand side of radiator support support.
3. Right rear air bag sensor and bracket (14B007) -- right B-pillar.
4. Driver side air bag module (043B13) -- steering wheel (3600).
5. Air bag sliding contact (14A664) -- behind steering wheel.
6. NOTE: A thermal fuse is built into the air bag diagnostic monitor (14B056). If a short to ground should occur in the air bag deployment circuit, the microcomputer in the air bag diagnostic monitor will send a signal to the fuse causing it to open. The open fuse removes all firing power (battery/backup power) from the deployment circuits. This prevents unwanted air bag deployments due to damaged vehicle wiring.
NOTE: Code 51 is displayed whenever the diagnostic monitor thermal fuse is open and no other higher priority faults exist (consult Diagnostic Trouble Code Priority Table). Code 51 is normally seen after service of a Code 13 condition.
NOTE: If a Code 51 exists and a Code 13 condition has not been serviced, this means an intermittent short-to-ground exists in the air bag deployment wiring. The intermittent short-to-ground must be located and serviced before servicing the Code 51 condition.
NOTE: Since the thermal fuse is built into the air bag diagnostic monitor, the monitor must be replaced to service a Code 51 condition. NEVER replace the air bag diagnostic monitor without first determining the cause for the Code 51 condition. If the short-to-ground is not properly serviced, the short may reoccur, once again destroying the thermal fuse in the air bag diagnostic monitor.
Air bag diagnostic monitor -- under instrument panel (04320) left of steering column.
#7
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#10
Necropost
You do know this thread is ten (10!) years old, right? People move on and may not be on the board any longer.
Each post has the date in the upper left corner. Threads over a year old should be considered dead and an indicator to start your own thread instead of hijacking someone else' thread.
Each post has the date in the upper left corner. Threads over a year old should be considered dead and an indicator to start your own thread instead of hijacking someone else' thread.
#11
yeah i knew. this is the first forum i have been on that people are so anxious about starting new threads. all the forums i have been on in the past like consolidating threads and keeping subjects together for users easy searching. when i search on this forum i get hundreds of pages bc people keep starting their own threads. lil frustrating. but thanks anyways. i have started my own thread already just found this in my endless search
#12
We're not anxious. Just realistic.
The OP, original poster hasn't posted since 06. (click on screen name & open public profile)
The guy posting the chart, hasn't posted since 13'
Now if you want, you could use the quote function, or a snipping tool, screen shot, highlight and copy-paste, etc & drop the needed info into your current thread.
Trying to help multiple people with similar or not so similar Qs can get pretty hairy for the providers & those needing help.
And none of us get paid for this, while opening ourselves up to massive criticism for not assuring absolute success.
Just the way it is.
The OP, original poster hasn't posted since 06. (click on screen name & open public profile)
The guy posting the chart, hasn't posted since 13'
Now if you want, you could use the quote function, or a snipping tool, screen shot, highlight and copy-paste, etc & drop the needed info into your current thread.
Trying to help multiple people with similar or not so similar Qs can get pretty hairy for the providers & those needing help.
And none of us get paid for this, while opening ourselves up to massive criticism for not assuring absolute success.
Just the way it is.
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brc777
1983 - 2012 Ranger & B-Series
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