IMPORTANT: While the learn procedure is in progress, release the throttle immediately when the engine starts to decelerate. The engine control is returned to the operator, and the engine will respond to throttle position after the learn procedure is complete.

Install the scan tool.
Apply the parking brake.
Block the drive wheels.
Close the hood.
Place the transmission in Park if the vehicle has an automatic transmission, or in Neutral if the vehicle has a manual transmission.
Idle the engine until the engine coolant temperature reaches 65° C (150°F).
Turn OFF all of the accessories.
Apply the brakes for the duration of the procedure.

IMPORTANT: If the CKP System Variation Learn Procedure cannot be completed successfully, refer to DTC P0336 for additional diagnostic information.

Use the scan tool in order to enable the Crankshaft Position System Variation Learn Procedure.
Slowly raise the engine speed to 4,000 RPM.
Immediately release the throttle when the engine speed decreases.
Turn OFF the ignition for 15 seconds after the learn procedure is completed successfully.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

CKP System Variation Learn Procedure

Use the Manual With the Right Hardware

When to See a Mechanic

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