B2903
Power Liftgate Chime Output Circuit Short To Battery
B2903 is an OBD-II diagnostic trouble code meaning: Power Liftgate Chime Output Circuit Short To Battery. Common causes: damage to the wiring harness in the rear door area, short circuit in the horn circuit. Estimated repair cost: $56–167.
Symptoms
- No sound signal when the electric rear door is operating
- Incorrect operation of the rear door electric drive
- The rear door may not open/close automatically
Causes
- Damage to the wiring harness in the rear door area
- Short circuit in the horn circuit
- Malfunction of the rear door electric drive control unit
- Relay or fuse problems
How to Fix
- Check the integrity of the wiring harness in the rear door area
- Check the resistance and continuity of the audio signal circuit
- Check fuses and relays associated with the system
- Scan the electric drive control unit for other errors
- If necessary, replace the control unit or damaged wires
Related codes
FAQ
What does the B2903 code mean?
B2903 is an OBD-II diagnostic trouble code that indicates: Power Liftgate Chime Output Circuit Short To Battery
What causes a B2903 error code?
The most common causes of B2903 include: Damage to the wiring harness in the rear door area; Short circuit in the horn circuit; Malfunction of the rear door electric drive control unit; Relay or fuse problems.
How do I fix a B2903 diagnostic trouble code?
To fix B2903: Check the integrity of the wiring harness in the rear door area. Check the resistance and continuity of the audio signal circuit. Check fuses and relays associated with the system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2903?
Limited driving only, diagnose soon
How much does it cost to fix B2903?
The estimated repair cost for B2903 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat