Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car's computer is having trouble controlling a part that helps the engine run smoothly. It's like a remote control not working well with a toy car.
The engine control module (ECM) is detecting a low voltage or poor connection in the circuit that controls the camshaft position actuator for bank 2.
The P1527 code indicates that the ECM has detected a low voltage condition in the camshaft position actuator control circuit for bank 2. This actuator is responsible for adjusting the camshaft's position to optimize engine performance and efficiency. A low circuit condition means the actuator may not be receiving enough power or there is a poor connection.
• Check engine light is on
• Poor engine performance
• Rough idling
• Faulty camshaft position actuator
• Wiring issues such as a short or open circuit
• Faulty ECM
ECM: Engine Control Module, the computer that controls engine functions.
Camshaft: A shaft in the engine that controls the opening and closing of the valves.
• Use an OBD-II scanner to confirm the code
• Inspect wiring and connections to the camshaft position actuator
• Test the camshaft position actuator for proper operation
• Repair or replace damaged wiring
• Replace the camshaft position actuator
• Replace or reprogram the ECM if necessary
• OBD-II scanner
• Multimeter
• Socket set
$150 - $500
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regular maintenance and inspection of engine components
• Ensure proper oil levels and quality
• Address wiring issues promptly
Sensor Issue
• Avoid driving the vehicle until the issue is resolved to prevent further damage.
• Consult a professional mechanic for a thorough diagnosis.
Check with your vehicle manufacturer for warranty coverage on engine components.
This code has been associated with wiring issues and actuator failures in vehicles with variable valve timing systems.
Moderate – Addressing this issue promptly can prevent further engine damage.
Ignoring this issue may lead to increased emissions and reduced vehicle safety.
• Engine running
• Vehicle at operating temperature
The camshaft position actuator is typically located near the top of the engine, on the cylinder head of bank 2.
Q: Can I drive with a P1527 code?
A: It's not recommended to drive with this code as it may lead to further engine damage.
Q: How is the camshaft position actuator related to engine performance?
A: The actuator helps optimize the timing of the camshaft, improving engine efficiency and performance.
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