C1AB3
Short to Ground in Outer Mirror Indicator Slave
C1AB3 is an OBD-II diagnostic trouble code meaning: Short to Ground in Outer Mirror Indicator Slave. Common causes: damage to the mirror wiring harness, contact corrosion in the mirror connector. Estimated repair cost: $22–89.
Symptoms
- The turn signal on the exterior mirror does not work
- The corresponding repeater on the dashboard flashes or does not light up
- In some cases, the mirror circuit fuse has blown.
Causes
- Damage to the mirror wiring harness
- Contact corrosion in the mirror connector
- Internal short circuit in LED module
- Insulation breakdown due to mechanical damage
- Moisture getting into the mirror housing
How to Fix
- Perform a visual inspection of the mirror wiring harness
- Check the continuity of the circuit with a tester
- Inspect contacts for corrosion
- If necessary, replace the wiring or connector
- Test work after repair
Related codes
FAQ
What does the C1AB3 code mean?
C1AB3 is an OBD-II diagnostic trouble code that indicates: Short to Ground in Outer Mirror Indicator Slave
What causes a C1AB3 error code?
The most common causes of C1AB3 include: Damage to the mirror wiring harness; Contact corrosion in the mirror connector; Internal short circuit in LED module; Insulation breakdown due to mechanical damage.
How do I fix a C1AB3 diagnostic trouble code?
To fix C1AB3: Perform a visual inspection of the mirror wiring harness. Check the continuity of the circuit with a tester. Inspect contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1AB3?
Do not drive — repair immediately
How much does it cost to fix C1AB3?
The estimated repair cost for C1AB3 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat