Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading the temperature of the engine's head. It's like when a thermometer can't tell you if you're sick because it's broken.
The P017A code indicates a problem with the circuit that connects to the cylinder head temperature sensor, which is responsible for measuring the temperature of the engine's cylinder head.
The Cylinder Head Temperature (CHT) Sensor A monitors the temperature of the engine's cylinder head and sends this information to the engine control module (ECM). If the ECM detects a malfunction in the sensor or its circuit, it triggers the P017A code.
• Check Engine Light illuminated
• Engine overheating
• Poor engine performance
• Faulty cylinder head temperature sensor
• Damaged wiring or connectors in the sensor circuit
• ECM issues
Cylinder Head: The part of the engine that houses the combustion chambers and the valves.
ECM: Engine Control Module, the computer that manages engine performance.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage.
• Test the cylinder head temperature sensor for proper operation.
• Replace the faulty cylinder head temperature sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Socket set
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain the engine cooling system.
• Ensure proper electrical connections.
• Use quality replacement parts.
Sensor Issue
• Do not ignore the Check Engine Light.
• Seek professional diagnosis if unsure.
• Monitor engine temperature regularly.
Check with the vehicle manufacturer for specific warranty coverage on the engine sensors.
This code has been associated with issues in vehicles with older temperature sensors or those exposed to extreme operating conditions.
Moderate – Addressing this issue promptly can prevent engine damage.
Driving with a malfunctioning temperature sensor can lead to engine overheating and potential safety hazards.
• Engine at operating temperature
• Use of diagnostic tools
The cylinder head temperature sensor is typically located on the engine cylinder head, often near the intake manifold.
Q: What happens if I ignore the P017A code?
A: Ignoring this code can lead to engine overheating and potential engine damage.
Q: Can I drive with a P017A code?
A: It's not recommended to drive for extended periods with this code as it can cause engine damage.
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