P25BC
Regeneration Control Switch Circuit High
P25BC is an OBD-II diagnostic trouble code meaning: Regeneration Control Switch Circuit High. Common causes: short circuit to positive in the control circuit, regeneration switch malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Disabling the DPF regeneration system
- Increased fuel consumption
- Possible problems with starting
Causes
- Short circuit to positive in the control circuit
- Regeneration switch malfunction
- Wiring harness damage
- Problems with the control relay
- Engine ECU malfunction
How to Fix
- Check the integrity of the wiring in the control circuit
- Check the functionality of the regeneration switch
- Check relays and fuses
- Scan the ECU for other errors
- If necessary, replace the switch or repair the wiring
Related codes
Error P25BC by Vehicle Brand
FAQ
What does the P25BC code mean?
P25BC is an OBD-II diagnostic trouble code that indicates: Regeneration Control Switch Circuit High
What causes a P25BC error code?
The most common causes of P25BC include: Short circuit to positive in the control circuit; Regeneration switch malfunction; Wiring harness damage; Problems with the control relay.
How do I fix a P25BC diagnostic trouble code?
To fix P25BC: Check the integrity of the wiring in the control circuit. Check the functionality of the regeneration switch. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P25BC?
Yes, but get it checked soon
How much does it cost to fix P25BC?
The estimated repair cost for P25BC is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat