OBD Guide

P2797

Electric/Auxiliary Transmission Fluid Pump A Performance/Stuck Off

P2797 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump A Performance/Stuck Off. Common causes: malfunction of the electric transmission fluid pump, problems with wiring or connectors. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Gear shifting problems
  • Transmission transition to emergency mode
  • Check Engine Light Illuminates
  • Unusual noises from the transmission area
  • Reduced transmission efficiency

Causes

  • Malfunction of the electric transmission fluid pump
  • Problems with wiring or connectors
  • Low transmission fluid level
  • Dirty or clogged pump
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the electrical circuit of the pump for breaks and short circuits
  3. Check the functionality of the pump itself
  4. If necessary, replace the electric transmission fluid pump
  5. Scan the transmission control module for additional errors

Related codes

Error P2797 by Vehicle Brand

FAQ

What does the P2797 code mean?

P2797 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump A Performance/Stuck Off

What causes a P2797 error code?

The most common causes of P2797 include: Malfunction of the electric transmission fluid pump; Problems with wiring or connectors; Low transmission fluid level; Dirty or clogged pump.

How do I fix a P2797 diagnostic trouble code?

To fix P2797: Check the level and condition of the transmission fluid. Diagnose the electrical circuit of the pump for breaks and short circuits. Check the functionality of the pump itself. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2797?

Limited driving only, diagnose soon

How much does it cost to fix P2797?

The estimated repair cost for P2797 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat