C1AB4
Open in Outer Mirror Indicator Master
C1AB4 is an OBD-II diagnostic trouble code meaning: Open in Outer Mirror Indicator Master. Common causes: broken wires in the door/pillar harness, oxidation of connector contacts. Estimated repair cost: $6–56.
Symptoms
- The turn indicator in the side mirror does not work
- Warning signal on the instrument panel
- Failures in the memory of mirror positions (if any)
Causes
- Broken wires in the door/pillar harness
- Oxidation of connector contacts
- Malfunction of the indicator itself
- Problems with the mirror control module
- Short circuit in the circuit
How to Fix
- Visual inspection of the wiring harness in the door pillar
- Checking the contacts in the mirror and control module connectors
- Testing the indicator with a multimeter
- Diagnostics of the mirror control module
- Repair or replacement of damaged wires
Related codes
FAQ
What does the C1AB4 code mean?
C1AB4 is an OBD-II diagnostic trouble code that indicates: Open in Outer Mirror Indicator Master
What causes a C1AB4 error code?
The most common causes of C1AB4 include: Broken wires in the door/pillar harness; Oxidation of connector contacts; Malfunction of the indicator itself; Problems with the mirror control module.
How do I fix a C1AB4 diagnostic trouble code?
To fix C1AB4: Visual inspection of the wiring harness in the door pillar. Checking the contacts in the mirror and control module connectors. Testing the indicator with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1AB4?
Do not drive — repair immediately
How much does it cost to fix C1AB4?
The estimated repair cost for C1AB4 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat