OBD Guide

P1288

Cylinder Head Temp Sensor Out Of Self Test Range

P1288 is an OBD-II diagnostic trouble code meaning: Cylinder Head Temp Sensor Out Of Self Test Range. Common causes: faulty head temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $6–22.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–22 (est.)

Symptoms

  • Incorrect engine temperature readings
  • Increased fuel consumption
  • Poor engine performance when cold
  • Check Engine Light
  • Possible engine overheating

Causes

  • Faulty head temperature sensor
  • Open or short circuit in the sensor circuit
  • Poor connection or oxidation of contacts
  • Problems with the engine ECU
  • Mechanical damage to the sensor

How to Fix

  1. Check the condition of the head temperature sensor
  2. Check the integrity of the sensor circuit and the quality of connections
  3. Measure the sensor resistance and compare with the norm
  4. Replace sensor if necessary
  5. Clean or replace connectors if corroded

Related codes

Error P1288 by Vehicle Brand

FAQ

What does the P1288 code mean?

P1288 is an OBD-II diagnostic trouble code that indicates: Cylinder Head Temp Sensor Out Of Self Test Range

What causes a P1288 error code?

The most common causes of P1288 include: Faulty head temperature sensor; Open or short circuit in the sensor circuit; Poor connection or oxidation of contacts; Problems with the engine ECU.

How do I fix a P1288 diagnostic trouble code?

To fix P1288: Check the condition of the head temperature sensor. Check the integrity of the sensor circuit and the quality of connections. Measure the sensor resistance and compare with the norm. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1288?

Yes, but get it checked soon

How much does it cost to fix P1288?

The estimated repair cost for P1288 is $6–22. Actual cost depends on your vehicle, location, and labor rates.

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