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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 10-05-2006, 10:01 PM
Jamespappleton Jamespappleton is offline
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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?
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Old 10-05-2006, 11:00 PM
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i would think they were the same.
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Old 10-06-2006, 02:13 PM
Jamespappleton Jamespappleton is offline
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Quote:
Originally Posted by quicklook2
i would think they were the same.
Hi,
Do you know the location of the control module?
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Old 10-06-2006, 02:36 PM
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wildcard30 wildcard30 is offline
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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.
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Old 10-06-2006, 02:58 PM
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wildcard30 wildcard30 is offline
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Here's the locations of the wiring, sensors, etc
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Last edited by wildcard30; 10-06-2006 at 03:21 PM.
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Old 10-10-2006, 11:08 AM
Jamespappleton Jamespappleton is offline
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Thank You....This info is a great help
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Old 10-10-2006, 12:25 PM
94broncoxl 94broncoxl is offline
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It could be the clock spring, Fords from this era are notorious for clock springs going bad.
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Old 02-15-2007, 01:44 AM
trex66 trex66 is offline
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I have a 34: Driver Side Air Bag Circuit Low Resistance or Shorted. What is my next step to finding the problem? Is this the whole circuit, wires to all the sensors?
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Old 02-15-2007, 01:44 AM
 
 
 
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