2005 Lesabre air bag light stays on

It is sometimes a indication that you have a bulb shorting out and needs replaced. Have someone help you check all your lights to make sure they are all working. If one is out, this should solve your problem.

It is probably a bad air bag sensor or clock spring. You should have dealer diagnose.

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.

you have to take it to the dealer most shops wont touch an air bag problem

There is an issue. Clearing the code does not fix the problem... Pull the code and investigate what it indicates. Commonly, there is a sensor in the front that gets corroded connections. Replacement comes with new harness.

Hello Harvey,

The Air bag warning indicator will FLASH and/or stay on STEADY if the system has detected a fault.. The fault can exist anywhere in the system, sensors, wiring, air bags, module, etc... I recommend you take it to your local Ford, Lincoln, Mercury dealership or a qualified reputable repair shop familiar with late model Ford SRS systems.. For Diagnostic trouble code retrieval and system repair...

Bill Andrade Ford Master Technician/ASE Master Technician

Look for water entry into the front crash sensors behind the front bumper. They have bright yellow connectors.

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.

If the only code 52 is flashing then system is ok and just needs to be cleared.Look behind the glove box and find the gray 2 wire connector.It will be on the left side behind the glove box and follow the proceedure below. Once a fault has been serviced, the associated diagnostic trouble code may be cleared from NVM. Only diagnostic trouble codes that the air bag diagnostic monitor sees as repaired or intermittent may be cleared (diagnostic trouble codes 52 and above). In no circumstances can hard fault conditions (diagnostic trouble codes 45 and below) be cleared.

1. Follow the diagnostic procedures as outlined to service the fault condition flashing on the air bag indicator.

1. Cycle the ignition switch to OFF and then to RUN.

1. Observe air bag indicator prove-out (six ±two seconds) followed by diagnostic trouble code (52-85) flashing completely one time.

1. Locate the Diagnostic Service Connector located underneath the glove compartment containing Circuits 631 (T/R) and 57 (BK).

1. Use a jumper wire to short Circuit 631 (T/R) to Circuit 57 (BK) or to another good ground.

1. Hold short until air bag diagnostic monitor tone sounds (approximately five seconds).

1. Release short on Circuit 631 (T/R) to Circuit 57 (BK). Diagnostic trouble code is now cleared from NVM. Next highest priority diagnostic trouble code stored in NVM (if one exists) will begin flashing
   

First you got to check the conections to the module otherwise contact :http://www.myairbags.com/ or http://www.airbagsystems.com/index.html