OBD Guide

P0797

Pressure Control Solenoid C Stuck On

P0797 is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid C Stuck On. Common causes: pressure control solenoid c malfunction, transmission fluid contamination. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Hard shifts
  • Check Engine light comes on
  • Reduced transmission efficiency
  • Possible gear slippage

Causes

  • Pressure control solenoid C malfunction
  • Transmission fluid contamination
  • Problems with wiring to the solenoid
  • Mechanical damage to the solenoid
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check the electrical circuit of the solenoid
  3. Test solenoid resistance
  4. Replace faulty solenoid
  5. If necessary, replace transmission fluid and filter

Related codes

Error P0797 by Vehicle Brand

FAQ

What does the P0797 code mean?

P0797 is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid C Stuck On

What causes a P0797 error code?

The most common causes of P0797 include: Pressure control solenoid C malfunction; Transmission fluid contamination; Problems with wiring to the solenoid; Mechanical damage to the solenoid.

How do I fix a P0797 diagnostic trouble code?

To fix P0797: Check the level and condition of the transmission fluid. Check the electrical circuit of the solenoid. Test solenoid resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0797?

Limited driving only, diagnose soon

How much does it cost to fix P0797?

The estimated repair cost for P0797 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat