B25CB
Driver Door Ajar Switch 1/Driver Door Ajar Switch 3 Correlation
B25CB is an OBD-II diagnostic trouble code meaning: Driver Door Ajar Switch 1/Driver Door Ajar Switch 3 Correlation. Common causes: malfunction of door sensor 1 or 3, damage to the wiring harness to the sensors. Estimated repair cost: $17–56.
Symptoms
- False door open signals on the instrument panel
- Incorrect operation of the central locking
- Problems with interior lighting when opening the door
- Errors in the comfort system
Causes
- Malfunction of door sensor 1 or 3
- Damage to the wiring harness to the sensors
- Problems with sensor connectors
- Short circuit in the sensor circuit
- Door ECU software error
How to Fix
- Diagnosis of sensor signals using a scanner
- Checking the integrity of the wiring harness
- Cleaning sensor contacts and connectors
- Replacing a faulty sensor
- Door ECU software update (if updates are available)
Related codes
FAQ
What does the B25CB code mean?
B25CB is an OBD-II diagnostic trouble code that indicates: Driver Door Ajar Switch 1/Driver Door Ajar Switch 3 Correlation
What causes a B25CB error code?
The most common causes of B25CB include: Malfunction of door sensor 1 or 3; Damage to the wiring harness to the sensors; Problems with sensor connectors; Short circuit in the sensor circuit.
How do I fix a B25CB diagnostic trouble code?
To fix B25CB: Diagnosis of sensor signals using a scanner. Checking the integrity of the wiring harness. Cleaning sensor contacts and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B25CB?
Limited driving only, diagnose soon
How much does it cost to fix B25CB?
The estimated repair cost for B25CB is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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