B1A7F
Electronic Steering Column Lock Communication Performance
B1A7F is an OBD-II diagnostic trouble code meaning: Electronic Steering Column Lock Communication Performance. Common causes: broken or damaged wiring harness, malfunction of the electronic steering column lock. Estimated repair cost: $56–167.
Symptoms
- The malfunction indicator on the dashboard lights up
- Problems with locking/unlocking the steering column
- Difficulty starting the engine
Causes
- Broken or damaged wiring harness
- Malfunction of the electronic steering column lock
- Problems with the ESCL control unit
- Low battery voltage
- Software errors in the system
How to Fix
- Check the condition of the battery and the voltage in the on-board network
- Visually inspect the wiring harness for damage.
- Check connections of ESCL connectors
- Read decrypted error codes using a scanner
- If necessary, replace the electronic steering column lock
- Update system software
Related codes
FAQ
What does the B1A7F code mean?
B1A7F is an OBD-II diagnostic trouble code that indicates: Electronic Steering Column Lock Communication Performance
What causes a B1A7F error code?
The most common causes of B1A7F include: Broken or damaged wiring harness; Malfunction of the electronic steering column lock; Problems with the ESCL control unit; Low battery voltage.
How do I fix a B1A7F diagnostic trouble code?
To fix B1A7F: Check the condition of the battery and the voltage in the on-board network. Visually inspect the wiring harness for damage.. Check connections of ESCL connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1A7F?
Limited driving only, diagnose soon
How much does it cost to fix B1A7F?
The estimated repair cost for B1A7F is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat