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 car that helps control the timing of the engine is getting too hot. It's like when a toy gets too hot and stops working properly.
The P104D code indicates that the control circuit for the camshaft position timing pressure accumulator shutoff valve is experiencing an over-temperature condition.
The camshaft position timing system is responsible for adjusting the timing of the camshaft to optimize engine performance. The pressure accumulator shutoff valve is part of this system, and it helps manage oil pressure. If the control circuit for this valve gets too hot, it can lead to improper timing adjustments, affecting engine performance.
• Check Engine Light is on
• Poor engine performance
• Engine misfires or runs rough
• Faulty camshaft position timing pressure accumulator shutoff valve
• Wiring issues or short circuits in the control circuit
• Excessive engine heat affecting the valve
Camshaft: A shaft in the engine that controls the opening and closing of the valves.
Accumulator: A device that stores fluid under pressure for use in hydraulic systems.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for the valve control circuit.
• Check the temperature of the valve and surrounding components.
• Replace the faulty camshaft position timing pressure accumulator shutoff valve.
• Repair or replace damaged wiring or connectors.
• Ensure proper engine cooling to prevent overheating.
• OBD-II scanner
• Multimeter
• Infrared thermometer
$150 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance and inspection of engine components
• Ensure proper engine cooling system function
• Avoid excessive engine loads
Engine Performance
• Do not ignore the Check Engine Light.
• Visit a mechanic if you notice performance issues.
Check with your vehicle manufacturer for specific warranty coverage on engine components.
This code is relatively uncommon and typically associated with specific engine designs that use advanced timing control systems.
Moderate – Addressing this issue promptly can prevent further engine damage.
Ignoring engine performance issues can lead to increased emissions and potential safety risks.
• Engine at operating temperature
• Vehicle stationary
The camshaft position timing pressure accumulator shutoff valve is typically located near the camshaft or within the engine's valve cover.
Q: Can I drive with a P104D code?
A: It's not recommended to drive for extended periods with this code, as it can lead to engine performance issues.
Q: How can I prevent this code from appearing?
A: Regular maintenance and ensuring the engine cooling system is working properly can help prevent this issue.
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Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
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Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.