OBD Guide

P0798

Pressure Control Solenoid C Electrical

P0798 is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid C Electrical. Common causes: pressure control solenoid malfunction, open or short circuit in solenoid circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Hard shifts
  • Transmission of the gearbox into emergency mode
  • Check Engine light comes on
  • Decreased fuel efficiency

Causes

  • Pressure control solenoid malfunction
  • Open or short circuit in solenoid circuit
  • Poor contact in solenoid connector
  • Transmission control module (TCM) malfunction
  • Wiring Harness Problems

How to Fix

  1. Check solenoid resistance
  2. Inspect the wiring harness and connectors for damage.
  3. Check voltage at solenoid
  4. If necessary, replace the solenoid
  5. Reset the error and check the system operation

Related codes

Error P0798 by Vehicle Brand

FAQ

What does the P0798 code mean?

P0798 is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid C Electrical

What causes a P0798 error code?

The most common causes of P0798 include: Pressure control solenoid malfunction; Open or short circuit in solenoid circuit; Poor contact in solenoid connector; Transmission control module (TCM) malfunction.

How do I fix a P0798 diagnostic trouble code?

To fix P0798: Check solenoid resistance. Inspect the wiring harness and connectors for damage.. Check voltage at solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0798?

Yes, but get it checked soon

How much does it cost to fix P0798?

The estimated repair cost for P0798 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat