Right turn signal circuit fault
What it means
B0525. Right turn signal circuit fault. The body control module cannot light the right turn indicator and the body warning light comes on.. This Chevy-enhanced code applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.
Findings, check these first
- Faulty instrument panel cluster right turn indicator
- Open in the right turn signal supply circuit to the cluster
- Corroded or loose instrument panel cluster connector
- Faulty right turn signal output in the body control module
- Right turn signal wire chafed between the body control module and cluster
Standard procedure
- Confirm the code with a scan tool
- Inspect the instrument panel cluster and body control module connectors
- Test the right turn signal supply circuit for opens and shorts
- Command the right turn signal with the scan tool and watch the indicator
- Repair damaged wiring before replacing any parts
- Replace the instrument panel cluster or body control module only after circuit tests pass, then clear the code and retest
Look up another code
Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.
Sources and review
Review: checked against the recorded source material.
- B0525 CHEVROLET Code: Meaning, Causes, and Symptoms | OBD2 Codes - OBD2 Codes
live reference page (obd2-codes.co)
Supports: CHEVROLET and GM-family meaning and likely causes for B0525
Fetched directly. B0525 reads "Right Turn Signal Circuit".
- Code B0525 meaning and causes | OBDII.pro
live reference page (obdii.pro)
Supports: independent corroboration of the GM meaning
Fetched directly. obdii.pro is a separate publisher and gives the GM meaning as: RH turn signal circuit malfunction More details about the error B0525 and possible reasons for its occurrence.
Last updated 2026-10-10.
Report a correction for B0525. Include your vehicle, the issue and a source if you have one.