B1508 Short in the turn signal or hazard flasher circuit
What does B1508 mean on a Toyota?
B1508. Short in the turn signal or hazard flasher circuit. The combination meter sees a short in the turn signal or hazard circuit. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B1508
- Short in the turn signal light circuit
- Short in the hazard warning light circuit
- Loose or corroded bulb socket
- Damaged turn signal harness
- Failed combination meter assembly
How to fix B1508
- Confirm the code and check the turn signals and hazards
- Inspect the bulb sockets for corrosion or a short
- Test the turn signal and hazard circuits for shorts
- Inspect the harness for chafing and pinches
- Replace the failed part only after tests fail