Air Bag Sensor

Your airbag system is screwed up. Get to a shop immediately because its trying to tell you that your airbags won't work if you get in an accident.

one of the front impact sensors its located on the guard rail a front frame part. it sends a crash signal to control to set off air bag. but it wont set off air bag if not replaced.

This is a code 46 LH Crash Sensor - Not Mounted to Vehicle Properly. Often there is a poor contact on one of the wiring connectors. Some of the problems can happen from a poor connection where everything connects under the drivers side seat.
Here is a list of codes for the airbag light issues.

Air Bag Fault Code Table

AIR BAG DIAGNOSTIC MONITOR FAULT CODE PRIORITY TABLE

Priority Code Component/Fault Description

Highest -- No Air Bag Lamp - Inoperative Lamp Circuit or No Ignition Voltage to Diagnostic Monitor

' -- Continuous Air Bag Lamp - Diagnostic Monitor Disconnected or Inoperative

' 12 Low Battery Voltage

' 13 Air Bag Circuit or Crash Sensor Circuit - Shorted to Ground

' 21 Safing Sensor - Not Mounted on Vehicle Properly

' 22 Safing Sensor Output Circuit - Shorted to Battery Voltage

' 23 Safing Sensor Input Feed/Return Circuit Open

' 24 Open in Circuit 944B or Low Resistance in Crash Sensor(s)

' 32 Driver Side Air Bag/Safing Sensor Circuit - High Resistance or Open

' 33 Pin 7 Not Grounded at Diagnostic Monitor

' 34 Driver Side Air Bag/Safing Sensor Circuit - Low Resistance or Shorted

' 35 Low Resistance Across Pins 8 and 9 at Diagnostic Monitor

' 41 Crash Sensor Circuit - High Resistance or Open

' 44 RH Crash Sensor - Not Mounted to Vehicle Properly

' 45 Center Radiator Crash Sensor - Not Mounted to Vehicle Properly

' 46 LH Crash Sensor - Not Mounted to Vehicle Properly

' 51 Diagnostic Monitor Internal Thermal Fuse - Blown and Short to Ground No Longer Exists

' 52 Backup Power Supply - Voltage Boost Fault

' 53 Internal Diagnostic Monitor Fault

Lowest -- Rapid Continuous Flashing of Air Bag Lamp - All Crash Sensors Disconnected

Hope this helps...

Get the fault code.

DTCa LFCb LFC Priority Description B1318 - - Ignition Voltage Below 9 Volts - - 1 RCM Disconnected, Inoperative, or Lost/Low Ignition Feed B1342 24 2 RCM is Faulted B1231 19 3 RCM Crash Data Memory Full B1921 21 4 RCM Bracket Ground Resistance High C1414 29 5 Incorrect Vehicle Identification Code B1887 15 6 Driver Air Bag Circuit Shorted to Ground B1916 15 7 Driver Air Bag Circuit Shorted to Battery or Ignition B1888 16 8 Passenger Air Bag Circuit Shorted to Ground B1925 16 9 Passenger Air Bag Circuit Shorted to Battery or Ignition B1932 32 10 Driver Air Bag Circuit Resistance High B1933 33 11 Passenger Air Bag Circuit Resistance High B1934 34 12 Driver Air Bag Circuit Resistance Low B1935 35 13 Passenger Air Bag Circuit Resistance Low B1901 14 14 Front External Crash Sensor Shorted to Ground B1941 41 15 Front External Crash Sensor Open Circuit or Short to Battery B2444 48 16 Driver Side Crash Sensor Internal Fault B2445 49 17 Passenger Side Crash Sensor Internal Fault B2441 42 18 Driver Side Crash Sensor Mounting Fault B2440 43 19 Passenger Side Crash Sensor Mounting Fault U2017 44 20 Driver Side Crash Sensor Communication Fault U2018 45 21 Passenger Side Crash Sensor Communication Fault B1993 36 22 Driver Side Air Bag Circuit Shorted to Ground B1992 36 24 Driver Side Air Bag Circuit Shorted to Battery or Ignition B1994 36 26 Driver Side Air Bag Circuit Resistance High B1995 36 28 Driver Side Air Bag Circuit Resistance Low B1997 37 23 Passenger Side Air Bag Circuit Shorted to Ground B1996 37 25 Passenger Side Air Bag Circuit Shorted to Battery or Ignition B1998 37 27 Passenger Side Air Bag Circuit Resistance High B1999 37 29 Passenger Side Air Bag Circuit Resistance Low B1892 - 30 Air Bag Tone Warning Indicator Circuit Shorted to Ground or Open B1891 - 31 Air Bag Tone Warning Indicator Circuit Shorted to Battery or Ignition B1869 Tonec 32 Air Bag Indicator Inoperative B1870 Tonec 33 Air Bag Indicator Shorted to Battery - - - No Communication With the Restraints Control Module (RCM)
a DTC: Diagnostic trouble code
b LFC: Lamp fault code, flashed on air bag indicator.

I think you might have a bad air bag module or sensor that is usually a problem when the air bag light try checking that and see if it helps

sometimes you can disconect battery for a few min. and computer will reset

This is worth checking

Common fault on FORD

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 fault

Seems to be a very common problem with Ford. The wiring harness beneath the drivers seat contains the sensors for the airbag system. Go under the drivers seat and secure all the wires and clips. This makes most error lights for the airbags go away. Hope this helps and good luck!

Take it to the dealer. the air bag sensor sending unit can only be rest by the dealer.

 12 Low Battery Voltage 
| 13 Air Bag Circuit or Crash Sensor Circuit - Shorted to Ground 
| 21 Safing Sensor - Not Mounted on Vehicle Properly 
| 22 Safing Sensor Output Circuit - Shorted to Battery Voltage 
| 23 Safing Sensor Input Feed/Return Circuit Open 
| 24 Open in Circuit 944B or Low Resistance in Crash Sensor(s) 
| 32 Driver Side Air Bag/Safing Sensor Circuit - High Resistance or Open 
| 33 Pin 7 Not Grounded at Diagnostic Monitor 
| 34 Driver Side Air Bag/Safing Sensor Circuit - Low Resistance or Shorted 
| 35 Low Resistance Across Pins 8 and 9 at Diagnostic Monitor 
| 41 Crash Sensor Circuit - High Resistance or Open 
| 44 RH Crash Sensor - Not Mounted to Vehicle Properly 
| 45 Center Radiator Crash Sensor - Not Mounted to Vehicle Properly 
| 46 LH Crash Sensor - Not Mounted to Vehicle Properly 
| 51 Diagnostic Monitor Internal Thermal Fuse - Blown and Short to Ground No Longer Exists 
| 52 Backup Power Supply - Voltage Boost Fault 
| 53 Internal Diagnostic Monitor Fault 
Lowest -- Rapid Continuous Flashing of Air Bag Lamp - All Crash Sensors Disconnected