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 a part in the engine, called the camshaft position actuator, is getting too hot. It's like when a toy gets too hot and stops working properly.
The camshaft position actuator helps control the timing of the engine's valves. When it gets too hot, it can't do its job correctly.
The P103F code indicates that the camshaft position actuator for camshaft 'B' on bank 2 has exceeded its normal operating temperature range. This can affect engine timing and performance.
• Check Engine Light is on
• Poor engine performance
• Increased fuel consumption
• Overheating due to insufficient oil flow
• Faulty camshaft position actuator
• Electrical issues such as a short circuit
Camshaft: A shaft in the engine that controls the opening and closing of the valves.
Actuator: A device that moves or controls a mechanism or system.
• Check the engine oil level and condition
• Inspect the camshaft position actuator for damage
• Test the electrical connections and wiring
• Replace the camshaft position actuator
• Repair or replace damaged wiring
• Ensure proper oil flow to the actuator
• OBD-II scanner
• Multimeter
• Wrench set
$200 - $600
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac CTS
• Regular oil changes
• Use manufacturer-recommended oil
• Inspect wiring regularly
Engine Performance
• Do not ignore the check engine light
• Have the vehicle inspected by a professional
• Avoid driving long distances until repaired
Check with your vehicle manufacturer for warranty coverage on engine components.
This code has been associated with issues in vehicles with variable valve timing systems.
Moderate – It should be addressed soon to prevent further engine damage.
Driving with this issue may lead to increased emissions and reduced engine performance.
• Engine at operating temperature
• Vehicle in park or neutral
The camshaft position actuator is located on the engine, typically near the camshaft.
Q: Can I drive with a P103F code?
A: It's not recommended, as it can lead to further engine damage.
Q: How do I reset the check engine light after repair?
A: Use an OBD-II scanner to clear the code after the issue is fixed.
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