garajizOBD-II code · manufacturer-specific
B2540
Aux A/C Mode Position Reference Circuit Short to Battery
- System
- B — Body electronics
- Severity
- Low (1/5)
- Can I keep driving?
- Usually safe to drive
What does B2540 mean?
B2540 is defined as “Aux A/C Mode Position Reference Circuit Short to Battery”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
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This page is general information; an exact diagnosis needs measurements and a technician’s check.