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Engine-Codes – Generic – P1288

P1288 Code - Cylinder Head Temp Sensor Out Of Self Test Range

Quick Answer

The diagnostic trouble code P1288 indicates that the Cylinder Head Temp Sensor is out of the self-test range. Common causes include Faulty Cylinder Head Temp Sensor, Wiring issues (corrosion, damage, poor connections), Malfunctioning ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1288 indicates Cylinder Head Temp Sensor Out Of Self Test Range.
Common causes
Common causes include Faulty Cylinder Head Temp Sensor, Wiring issues (corrosion, damage, poor connections), Malfunctioning ECM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1288 Description

The diagnostic trouble code P1288 indicates that the Cylinder Head Temp Sensor is out of the self-test range. This sensor is responsible for monitoring the temperature of the cylinder head in the engine. When the sensor is not functioning properly or is reporting data outside of the expected range, it can lead to various issues with the vehicle's performance.

OBDII Code P1288 - Cylinder Head Temp Sensor Out Of Self Test Range
P1288 Code - Cylinder Head Temp Sensor Out Of Self Test Range

Common Causes of P1288

  1. Faulty Cylinder Head Temp Sensor
  2. Wiring issues (corrosion, damage, poor connections)
  3. Malfunctioning ECM
  4. Engine overheating
  5. Electrical issues

Symptoms of P1288

  1. Check engine light illuminated
  2. Engine running rough or misfiring
  3. Poor fuel efficiency
  4. Engine overheating
  5. Reduced power or acceleration

How to Fix P1288

  1. Retrieve the diagnostic trouble codes using a scan tool to confirm the P1288 code.
  2. Inspect the wiring harness and connections for any damage or corrosion. Repair or replace as necessary.
  3. Test the Cylinder Head Temp Sensor using a multimeter to check for proper resistance values. Replace the sensor if it is out of spec.
  4. Clear the trouble codes from the ECM's memory and retest the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be needed to identify any underlying issues with the ECM or other components.

Cost to Fix P1288

The cost of repairing a Cylinder Head Temp Sensor out of self-test range can vary depending on the cause of the issue and the extent of the repairs needed. Typically, the cost of replacing the sensor itself ranges from $50 to $150, not including labor costs. Labor rates at auto repair shops can vary, but on average, you can expect to pay between $80 and $150 per hour. Additional costs may be incurred if wiring repairs or ECM diagnostics are required. Overall, the total cost for this repair could range from $150 to $500 or more, depending on the specific circumstances. It is advisable to consult with a qualified mechanic for a more accurate cost estimate based on your vehicle's make and model.

What does this mean?

Tech Notes for P1288

This indicates the Cylinder Head Temperature (CHT) sensor is out of the Self-Test range. The engine is not at a normal operating temperature.

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Code P1288 Information for Specific Makes

  • P1288 Acura — Rocker Arm Oil Pressure Switch Circuit Low Voltage
  • P1288 Audi — Turbocharger Bypass Valve short to B+
  • P1288 BMW — Switching Solenoid for Air Assisted Injection Valves Bank 2 Control Circuit Signal Low
  • P1288 Buick — Accelerator Pedal Position Sensor 3 Circuit High Voltage
  • P1288 Cadillac — Accelerator Pedal Position Sensor 3 Circuit High Voltage
  • P1288 Chevrolet — Accelerator Pedal Position Sensor 3 Circuit High Voltage
  • P1288 Chrysler — Short Runner Valve Circuit Condition
  • P1288 Dodge — Short Runner Valve Circuit Condition
  • P1288 Ford — Cylinder Head Temperature Sensor Out of Self-Test Range
  • P1288 GMC — Accelerator Pedal Position Sensor 3 Circuit High Voltage
  • P1288 Honda — Rocker Arm Oil Pressure Switch Circuit Low Voltage
  • P1288 Infiniti — Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2
  • P1288 Jaguar — Cylinder Head Temperature Sensor Out of Self-Test Range
  • P1288 Jeep — Short Runner Valve Circuit Condition
  • P1288 Lincoln — Cylinder Head Temperature Sensor Out of Self-Test Range
  • P1288 Mazda — Cylinder Head Temperature Sensor Out of Self-Test Range
  • P1288 Mercury — Cylinder Head Temperature Sensor Out of Self-Test Range
  • P1288 MINI — Switching Solenoid for Air Assisted Injection Valves Bank 2 Control Circuit Signal Low
  • P1288 Nissan — Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2
  • P1288 Volkswagen — Turbocharger Bypass Valve short to B+
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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