Diagnostic Aids

DTC P0336 can be caused by secondary components leaking high voltage into the ICM. Inspect for the following conditions:

• Incorrect harness routing near the secondary ignition components.
• Ignition coil arcing to wiring harness or IC module Inspect ignition coils for cracks, for carbon tracking, or for other signs of damage.
• Secondary ignition wires arcing to the wiring harness.
• If the DTC is determined to be intermittent, refer to INTERMITTENT CONDITIONS  under SELF-DIAGNOSTIC SYSTEM.