OBD Guide

P2755

Transmission Fluid Cooler Control Circuit High

P2755 is an OBD-II diagnostic trouble code meaning: Transmission Fluid Cooler Control Circuit High. Common causes: open or short circuit in control circuit, cooler relay malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • The transmission goes into emergency mode
  • Increased transmission fluid temperature
  • Deterioration of gear shifting
  • Reduced transmission cooling efficiency

Causes

  • Open or short circuit in control circuit
  • Cooler relay malfunction
  • Control Solenoid Problems
  • TCM malfunction
  • Wiring harness damage

How to Fix

  1. Check the integrity of the cooler control circuit
  2. Check the operation of the cooler relay
  3. Test control solenoid
  4. Check the condition of the wiring harness
  5. If necessary, replace faulty components

Related codes

Error P2755 by Vehicle Brand

FAQ

What does the P2755 code mean?

P2755 is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Cooler Control Circuit High

What causes a P2755 error code?

The most common causes of P2755 include: Open or short circuit in control circuit; Cooler relay malfunction; Control Solenoid Problems; TCM malfunction.

How do I fix a P2755 diagnostic trouble code?

To fix P2755: Check the integrity of the cooler control circuit. Check the operation of the cooler relay. Test control solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2755?

Limited driving only, diagnose soon

How much does it cost to fix P2755?

The estimated repair cost for P2755 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat