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 thinks there's not enough pressure in the system that controls the timing of the engine's camshaft. It's like when you don't have enough air in a balloon, it won't work right.
The P102D code is triggered when the Engine Control Module (ECM) detects that the pressure in the camshaft timing system is below the expected range.
The camshaft timing system relies on oil pressure to adjust the position of the camshaft for optimal engine performance. When the pressure is too low, it can affect the timing, leading to poor engine performance and efficiency. The ECM monitors this pressure and sets the P102D code if it falls below the threshold.
• Check Engine Light is on
• Poor engine performance
• Rough idle
• Low engine oil level
• Faulty oil control valve
• Blocked oil passages
Camshaft: A shaft in the engine that controls the opening and closing of the intake and exhaust valves.
ECM: Engine Control Module, the computer that controls the engine's functions.
• Check engine oil level and condition
• Inspect oil control valve for proper operation
• Examine oil passages for blockages
• Refill or change engine oil
• Replace faulty oil control valve
• Clean or unblock oil passages
• Oil pressure gauge
• OBD-II scanner
• Wrench set
$100 - $500
Moderate
• BMW 3 Series
• Audi A4
• Mercedes-Benz C-Class
• Regular oil changes
• Use manufacturer-recommended oil
• Inspect oil system components regularly
Engine Performance
• Do not ignore the Check Engine Light
• Address the issue promptly to avoid further damage
Check with your vehicle manufacturer for warranty coverage on engine components.
This code has been associated with vehicles that have delayed maintenance schedules or use incorrect oil types.
Moderate – Addressing this issue soon can prevent further engine damage.
Driving with a Check Engine Light on can lead to more severe engine damage and may not be safe.
• Engine at operating temperature
• Vehicle at idle
The camshaft timing system components are typically located near the top of the engine, around the camshaft.
Q: Can I drive with a P102D code?
A: It's not recommended to drive for long with this code, as it can lead to engine performance issues.
Q: How often should I change my engine oil?
A: Follow your vehicle manufacturer's recommendation, usually every 5,000 to 7,500 miles.
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