B17D2
Emergency Flashing Lamp Request 2 Circuit High
B17D2 is an OBD-II diagnostic trouble code meaning: Emergency Flashing Lamp Request 2 Circuit High . Common causes: short circuit to +12v in the control circuit, faulty alarm relay. Estimated repair cost: $22–89.
Symptoms
- Flashing hazard warning lights without driver command
- Incorrect operation of the alarm system
- Malfunction indicator light on dashboard
Causes
- Short circuit to +12V in the control circuit
- Faulty alarm relay
- Wiring harness damage
- Problems with the control unit
How to Fix
- Check the condition of the wiring harness in the area of the control unit and relay
- Check the operation of the alarm relay
- Measure resistance and voltage in the control loop
- If necessary, replace the relay or repair the wiring harness
Related codes
FAQ
What does the B17D2 code mean?
B17D2 is an OBD-II diagnostic trouble code that indicates: Emergency Flashing Lamp Request 2 Circuit High
What causes a B17D2 error code?
The most common causes of B17D2 include: Short circuit to +12V in the control circuit; Faulty alarm relay; Wiring harness damage; Problems with the control unit.
How do I fix a B17D2 diagnostic trouble code?
To fix B17D2: Check the condition of the wiring harness in the area of the control unit and relay. Check the operation of the alarm relay. Measure resistance and voltage in the control loop. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B17D2?
Limited driving only, diagnose soon
How much does it cost to fix B17D2?
The estimated repair cost for B17D2 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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