OBD Guide
ENFRDEESPT

P1296

Engine Cooling System Malfunction

P1296 is an OBD-II diagnostic trouble code meaning: Engine Cooling System Malfunction. Common causes: coolant temperature sensor malfunction, stuck thermostat. Estimated repair cost: $6–56.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • Engine overheating
  • Unstable engine operation at idle
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminated

Causes

  • Coolant temperature sensor malfunction
  • Stuck thermostat
  • Low coolant level
  • Cooling fan malfunction
  • Problems with wiring or contacts

How to Fix

  1. Check coolant level
  2. Diagnose the coolant temperature sensor
  3. Check thermostat operation
  4. Inspect the system for leaks
  5. Check the operation of the cooling fan

Related codes

P0128P0115P0117

Error P1296 by Vehicle Brand

DodgeFordJeepLincolnMercuryMitsubishiPlymouthPontiac

FAQ

What does the P1296 code mean?

P1296 is an OBD-II diagnostic trouble code that indicates: Engine Cooling System Malfunction

What causes a P1296 error code?

The most common causes of P1296 include: Coolant temperature sensor malfunction; Stuck thermostat; Low coolant level; Cooling fan malfunction.

How do I fix a P1296 diagnostic trouble code?

To fix P1296: Check coolant level. Diagnose the coolant temperature sensor. Check thermostat operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1296?

Do not drive — repair immediately

How much does it cost to fix P1296?

The estimated repair cost for P1296 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat