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Re: 05 ford expedition air bag light flashes
Time to take the vehicle to your local Ford dealer to have the system diagnosed and have the needed repairs completed. Do not try to fix the system yourself as you may deploy the sir bag by accident and injury may occur. Not to mention that replacement of an air bag is very expensive. Let the techs that are trained to deal with these systems take care of the problem for you.
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When the air bag system has a problem it uses the air bag light tell you what the codes are. Three flashes then 1 or 2 second pause then 2 flashes would be a code 32. Then Google it and find out what the code is for. Hope this helps
The air bag code 44 indicates that the air bag computer is not receiving a signal from the right front air bag sensor. This could be caused from defective wiring (loose wire or grounded through chafing) or the sensor being defective.
Pinpoint Test R: Diagnostic Trouble Code 44 — RH Radiator Primary Crash Front Air Bag Sensor Not Mounted to Vehicle Properly
Normal Operation NOTE: Circuit 618 (BL/W) is grounded to the side of the RH radiator primary crash front air bag sensor case, and the case is grounded through the bracket to the vehicle at its mounting point.
The air bag diagnostic monitor (14B056) measures the resistance between pin 20 (circuit 618 [BL/W]) and pin 3 (circuit 57M [BK]), the air bag diagnostic monitor reference ground. If the air bag diagnostic monitor measures a difference of more than 2.0 ohms between pin 20 and pin 3, it will flash diagnostic trouble code (DTC) 44. Possible Causes
High resistance on pin 20 (circuit 618 [BL/W]) to ground can be caused by:
A poor connection due to loose mounting, dirt, or corrosion at the RH radiator primary crash front air bag sensor bracket mounting location.
An open or damaged wire in circuit 618 (BL/W) from pin 20 of the air bag diagnostic monitor connector to the RH radiator primary crash front air bag sensor connector.
An open circuit inside the RH radiator primary crash front air bag sensor.
the flashing is a code, you need to get a pen and a piece of paper and decode this. It is a two digit number the first set of flashes is the first number so lets say it flashes 3 times and then pauses for 3 to 5 seconds your first number would be 3 and then after the pause it blinks 4 times that would be your second number... so your code would be 34. anyways here is a list of the code meanings so after you count the two set of flashes and get your code compare it here
12=Low Battery Voltage
13=Air Bag Circuit Shorted to Ground
14=Primary Crash Sensor Circuit Shorted to Ground
21=Safing Sensor Not Mounted to Vehicle Properly
22=Safing Sensor Output Shorted to Battery Voltage
23=Safing Sensor Circuit Input Feed/Return Circuit Open
24=Safing Sensor Output Feed/Return Circuit Open
32=Driver Side Air Bag Circuit High Resistance or Open
33=Passenger Side Air Bag Circuit High Resistance or Open
34=Driver Side Air Bag Circuit Low Resistance or Shorted
35=Passenger Side Air Bag Circuit Low Resistance or Shorted
41=RH Primary Crash Sensor Feed/Return Circuit Open
42=LH Primary Crash Sensor Feed/Return Circuit Open
44=RH Primary Crash Sensor Not Mounted to Vehicle Properly
45=LH Primary Crash Sensor Not Mounted to Vehicle Properly
51=Air Bag Diagnostic Monitor Internal Thermal FuseFuse Blown Due to Intermittent Short to Ground
52=Backup Power SupplyVoltage Boost Fault
53=Primary Crash Sensor Circuits Resistance to Ground or Air Bag Diagnostic Fault
You have a bad Passenger Air Bag Deactivation Indicator. The bulb that shows when the passenger air bag is off.
Have seen alot of these go bad especially in police cars. The part number you need is 5W1Z-10A936-A.
You can't reset it. It's flashing a code. If you tell me the code, I can tell you the proceedure to isolate the fault.
when you start up, there is an 8 second system test and the light is on during this period. Then it flashes out a 2-digit code. The first group of flashes is the first digit and then there is a pause before the second group of flashes which represent the second digit.