The Lemon IndexPower to some engine actuators is missing.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
Blown fuse. Then: failed relay; wiring fault.
Owners named P0657 in 5 complaints to the U.S. government, most often on the Acura TLX.
Cars owners report it on
Complaints that name P0657, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2015 Acura TLX
The details
What P0657 means
Power to some engine actuators is missing.
Can I drive with P0657?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
60% of the owner complaints that name P0657 also say the car loses power or goes into limp mode. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0657
- Blown fuse
- Failed relay
- Wiring fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Loses power or goes into limp mode: 60% of complaints
- Stalls or shuts off: 40% of complaints
- Brakes or ABS act up: 40% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0657 most
2015 Acura TLX (2).
Related codes
P0651 P0638 P0685 P0627 P068A P061C P061B P061A
Quick answers
What does P0657 mean?
Actuator Supply Voltage A Circuit/Open. Power to some engine actuators is missing.
Can I drive with P0657?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes P0657?
Blown fuse; Failed relay; Wiring fault.
Counts: NHTSA owner complaints whose text names P0657. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.