OBD Guide
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B1507

Flash To Pass Switch Circuit Failure

B1507 is an OBD-II diagnostic trouble code meaning: Flash To Pass Switch Circuit Failure. Common causes: faulty steering column switch, open or short circuit in wiring harness. Estimated repair cost: $22–89.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • High beam flashing function does not work
  • The malfunction indicator light is on
  • Possible false high beam alarms

Causes

  • Faulty steering column switch
  • Open or short circuit in wiring harness
  • Oxidation or corrosion of contacts in connectors
  • Damaged body electronics control unit

How to Fix

  1. Check the operation of the switch with a multimeter
  2. Visually inspect the wiring harness for damage.
  3. Clean the contacts in the circuit connectors
  4. If necessary, replace the steering column switch
  5. Reset the error code and check the system operation

Related codes

B1500B1501B1505

FAQ

What does the B1507 code mean?

B1507 is an OBD-II diagnostic trouble code that indicates: Flash To Pass Switch Circuit Failure

What causes a B1507 error code?

The most common causes of B1507 include: Faulty steering column switch; Open or short circuit in wiring harness; Oxidation or corrosion of contacts in connectors; Damaged body electronics control unit.

How do I fix a B1507 diagnostic trouble code?

To fix B1507: Check the operation of the switch with a multimeter. Visually inspect the wiring harness for damage.. Clean the contacts in the circuit connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1507?

Yes, but get it checked soon

How much does it cost to fix B1507?

The estimated repair cost for B1507 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat