OBD A Camshaft Position Actuator Position Sensor C Range/Performance Bank 1
What it means
P03E6 stands for A Camshaft Position Actuator Position Sensor C Range/Performance Bank 1. P03E6 is a P code, so the fault sits in the engine, transmission and emissions systems. For P03E6, the second digit places it in ignition and misfire. For P03E6, work through the cause list below, cheapest checks first.
Where it lives
For P03E6, the part to look at first is the sensor named here. The description of P03E6 puts it on bank 1.
What to check first
For P03E6, check the bank 1 reading against the other bank before buying parts, since if only one side is out of range that side is the fault.
Check these first
- P03E6: Failing ignition coil, spark plug, or spark plug wire
- P03E6: Faulty crankshaft or camshaft position sensor
- P03E6: Wiring or connector damage in the ignition circuit
- P03E6: Low compression or engine mechanical wear
- P03E6: Incorrect ignition timing or a stretched timing chain
What to do next
P03E6 belongs to the ignition and misfire system. These are the general steps for P03E6, and the exact cause on your vehicle can differ.
- P03E6: Read misfire counts and freeze frame data with an OBD-II scanner
- P03E6: Test spark output and inspect spark plugs and coils
- P03E6: Check crankshaft and camshaft position sensor signals while cranking
- P03E6: Swap suspect ignition parts between cylinders to see if the fault moves
- P03E6: Compression test if the issue persists on the same cylinder
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Updated
Generic SAE J2012 definition. Last updated 2026-08-30.