OBD Guide
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P135F

Cooling Fan 4 Status Signals Message Counter Incorrect

P135F is an OBD-II diagnostic trouble code meaning: Cooling Fan 4 Status Signals Message Counter Incorrect. Common causes: cooling fan 4 malfunction, damage to wiring or connectors. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Engine overheating
  • Cooling fan 4 does not work
  • Check Engine Light Is On
  • Reduced engine performance

Causes

  • Cooling fan 4 malfunction
  • Damage to wiring or connectors
  • Fan relay problems
  • ECU malfunction

How to Fix

  1. Check the operation of cooling fan 4
  2. Inspect wiring and connectors for damage
  3. Check fan relay
  4. ECU diagnostics

Related codes

P135EP1360

FAQ

What does the P135F code mean?

P135F is an OBD-II diagnostic trouble code that indicates: Cooling Fan 4 Status Signals Message Counter Incorrect

What causes a P135F error code?

The most common causes of P135F include: Cooling fan 4 malfunction; Damage to wiring or connectors; Fan relay problems; ECU malfunction.

How do I fix a P135F diagnostic trouble code?

To fix P135F: Check the operation of cooling fan 4. Inspect wiring and connectors for damage. Check fan relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P135F?

Limited driving only, diagnose soon

How much does it cost to fix P135F?

The estimated repair cost for P135F is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat