Airbag trouble codes 44 - 2001 Lincoln Town Car

Ford Airbag Fault Codes
Flash Code Component/Fault Description
- No Air Bag Indicator - Inoperative Indicator Circuit
- Continuous Air Bag Indicator - Diagnostic Trouble Code Timed Out, Diagnostic Monitor
Disconnected or Inoperative, or No Ignition Voltage to Diagnostic Monitor
12 Lost Battery Feed
13 Air Bag Circuit Shorted to Ground
14 Primary Crash Sensor Circuit Shorted to Ground
21 Diagnostic Monitor Not Mounted to Vehicle Properly
22 Safing Sensor Output Circuit Shorted to Battery Voltage
23 Memory Clear Circuit Improperly Grounded
24 System Disarm Failure or Internal Diagnostic Monitor Fault
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 Right Radiator Primary Crash Sensor Feed/Return Circuit Open
42 Left Radiator Primary Crash Sensor Feed/Return Circuit Open
44 Right Radiator Crash Sensor Not Mounted to Vehicle Properly
45 Left Radiator Crash Sensor Not Mounted to Vehicle Properly
51 Airbag diagnostic Monitor Internal thermal fuse Blown
52 Back-up Power supply Voltage Boost Fault
53 Front Crash Sensor High Resistance or Diagnostic Monitor Failure

Code 44 is for the O2 sensor staying on lean, and code 45 is for the sensor staying on rich. The sensor is supposed to switch back and forth several times each minute if it is working correctly and the computer is controlling the fuel mixture.
The problem could be the sensor or a fuel problem such as an injector. The O2 sensor would need to be tested.

Here is a complete diagnostic trouble code trouble, in which you may find the answer. By the way, you can also get some airbag reset tool to reset your airbag. Airbag is a very important protection tool. Chinasinoy supplies various kinds of diagnostic tools, including airbag reset tool.

You need to access the Airbag ECU (Electronic Control Module) using suitable diagnostic equipment connected to the data link connector of the car in order to erase all faults - DTC (Diagnostic Trouble Codes) memored, unlock and reset the Airbag ECU. Then the Airbag light will turn OFF after approx. 4 seconds, ignition ON.
Good Luck!

code 13 is Oxygen Sensor Circuit No signal to computer

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Usually due to a poor connection in the YELLOW PLASTIC CONNECTOR underneath the passenger seat.


Just push it together properly and it should clear the AirBag Light

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.

Trouble Code 44 indicates that the O2 sensor is showing a persistently high exhaust oxygen content (lean), despite the efforts of the ECM to increase ...
Code 42 : Electronic spark timing (EST) circuit fault

Code 33 is MAF sensor (mass airflow sensor ) & 44 is lean exhaust mixture. My guess is 33 is causing 44.

44 - Right Hand Radiator Primary Crash Sensor Not Mounted to Vehicle Properly.

When the Airbag light is blinking, your airbag is disabled and many insurance companies now do a diagnostics on any failed safety equipment in injury accidents....they will not pay 100% percent if there is owner's negligence to maintain vehicle safety equipment. I am still looking into possible causes for this error. I will post any updates as warranted.