C1090
ABS Brake Lamp Control Circuit Low
C1090 is an OBD-II diagnostic trouble code meaning: ABS Brake Lamp Control Circuit Low. Common causes: open or short circuit in wiring harness, faulty abs lamp control relay. Estimated repair cost: $22–111.
Symptoms
- ABS warning light is on
- ABS light does not light up when ignition is turned on
- ABS light flashes
Causes
- Open or short circuit in wiring harness
- Faulty ABS lamp control relay
- Problems with the ABS control unit
- Oxidation of contacts in the control circuit
- Damaged ABS warning lamp
How to Fix
- Check the integrity of the wiring harness going to the ABS lamp
- Check the operation of the ABS lamp control relay
- Diagnose the ABS control unit for errors
- Check the contacts in the control circuit connectors
- Replace the ABS warning lamp if necessary
Related codes
FAQ
What does the C1090 code mean?
C1090 is an OBD-II diagnostic trouble code that indicates: ABS Brake Lamp Control Circuit Low
What causes a C1090 error code?
The most common causes of C1090 include: Open or short circuit in wiring harness; Faulty ABS lamp control relay; Problems with the ABS control unit; Oxidation of contacts in the control circuit.
How do I fix a C1090 diagnostic trouble code?
To fix C1090: Check the integrity of the wiring harness going to the ABS lamp. Check the operation of the ABS lamp control relay. Diagnose the ABS control unit for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1090?
Limited driving only, diagnose soon
How much does it cost to fix C1090?
The estimated repair cost for C1090 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat