P0AB8: Engine Mount B Control Circuit High
What to do
Safe to drive exactly as it is; fix at the next convenient service.
What this code means
The second mount's control circuit reads high — the mirror of P0AB7, same comfort-only consequence, same valve-and-wiring diagnosis. Per P0A16.
Likely causes
Start here
- Wiring shorted to voltage · moderate
- Faulty active engine mount · moderate
Less common
- Open circuit in control wiring · moderate
Symptoms
Components involved
Information, not instruction
CarGeek is a reference, not a service manual. Its pages are written from public sources and from what other people have found, never from a manufacturer's own service information, so they can be wrong or incomplete for your particular vehicle. Some of what they describe carries real risk: high voltage, fuel under pressure, stored energy, hot and moving parts.
Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
Community experience
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