B0851
Memory Seat Module Battery Out Of Range
B0851 is an OBD-II diagnostic trouble code meaning: Memory Seat Module Battery Out Of Range. Common causes: low or faulty battery, problems with the generator (unstable voltage). Estimated repair cost: $56–167.
Symptoms
- Resetting saved seat positions
- Inability to remember new seat position settings
- Unstable operation of electric seat drives
- SRS malfunction indicator is on (on some models)
Causes
- Low or faulty battery
- Problems with the generator (unstable voltage)
- Oxidation or damage to battery terminals
- Damaged wiring harness to the memory module
- Poor contact in module connectors
- Module power relay malfunction
- Failure of the seat memory module itself
How to Fix
- Check the voltage on the battery with the engine off and running.
- Test the functionality of the generator
- Inspect and clean battery terminals
- Check the integrity of the wiring harness to the seat memory module
- Test the module power circuit for breaks/short circuits
- Check the contacts in the module connectors
- If necessary, replace the seat memory module
Related codes
Error B0851 by Vehicle Brand
FAQ
What does the B0851 code mean?
B0851 is an OBD-II diagnostic trouble code that indicates: Memory Seat Module Battery Out Of Range
What causes a B0851 error code?
The most common causes of B0851 include: Low or faulty battery; Problems with the generator (unstable voltage); Oxidation or damage to battery terminals; Damaged wiring harness to the memory module.
How do I fix a B0851 diagnostic trouble code?
To fix B0851: Check the voltage on the battery with the engine off and running.. Test the functionality of the generator. Inspect and clean battery terminals. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0851?
Yes, but get it checked soon
How much does it cost to fix B0851?
The estimated repair cost for B0851 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat