Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is saying that the engine part that helps control the timing of the engine's 'breathing' isn't in the right spot, and it can't lock into place.
The camshaft position sensor is not able to confirm that the camshaft is in the correct position and locked in place for proper engine operation.
The P25DE code indicates that the camshaft on Bank 1 is not reaching its intended locked position. This can affect the engine's timing and performance. The camshaft position sensor is responsible for providing the engine control module (ECM) with the camshaft's position, and if it cannot confirm the camshaft is locked, this code is triggered.
• Check Engine Light is on
• Engine runs rough
• Reduced engine performance
• Poor fuel economy
• Faulty camshaft position sensor
• Camshaft actuator failure
• Wiring issues or poor electrical connection
• Mechanical failure in the camshaft locking mechanism
Camshaft: A shaft in the engine that controls the opening and closing of the engine's valves.
Actuator: A device that moves or controls a mechanism or system.
• Use an OBD-II scanner to confirm the code.
• Inspect the camshaft position sensor and its wiring.
• Check the camshaft actuator for proper operation.
• Verify the mechanical integrity of the camshaft locking mechanism.
• Replace the camshaft position sensor if faulty.
• Repair or replace the camshaft actuator.
• Fix any wiring issues or poor connections.
• Repair or replace the camshaft locking mechanism.
• OBD-II scanner
• Multimeter
• Wrench set
$200 - $800
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance and inspection of engine components
• Ensure proper oil levels and quality
• Address any engine performance issues promptly
Engine Performance
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional mechanic.
• Avoid driving the vehicle excessively until repaired.
Check if the vehicle's powertrain warranty covers camshaft-related repairs.
This code has been associated with camshaft actuator and sensor failures in certain vehicle models over the years.
Moderate – While the vehicle may still operate, performance and fuel efficiency can be significantly affected.
Driving with this code may lead to increased emissions and potential engine damage.
• Engine at operating temperature
• Vehicle idling
The camshaft position sensor is typically located near the top of the engine, close to the camshaft.
Q: Can I drive with a P25DE code?
A: It's not recommended to drive for long periods with this code as it can affect engine performance.
Q: What happens if I ignore the P25DE code?
A: Ignoring the code can lead to poor engine performance, reduced fuel efficiency, and potentially more severe engine damage.
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