The Lemon IndexThe extra transmission pump (used by start-stop systems) isn't performing.
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.
Failed auxiliary pump. Then: wiring fault.
Owners named P2797 in 7 complaints to the U.S. government, most often on the Chevrolet Bolt.
Cars owners report it on
Complaints that name P2797, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2023 Chevrolet Bolt
Transmission problems by year: Chevrolet Bolt
The details
What P2797 means
The extra transmission pump (used by start-stop systems) isn't performing.
Can I drive with P2797?
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.
43% of the owner complaints that name P2797 also say the car warning lights and electrical faults. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P2797
- Failed auxiliary pump
- Wiring fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Warning lights and electrical faults: 43% of complaints
- Brakes or ABS act up: 29% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P2797 most
2023 Chevrolet Bolt (4).
Related codes
P2764 P2757 P2723 P2716 P2715 P2714 P2711 P2704
Quick answers
What does P2797 mean?
Auxiliary Transmission Fluid Pump Performance. The extra transmission pump (used by start-stop systems) isn't performing.
Can I drive with P2797?
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 P2797?
Failed auxiliary pump; Wiring fault.
Counts: NHTSA owner complaints whose text names P2797. 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.