Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2007 Chrysler Crossfire Base, 2D ConvertibleFACTORY OEM SERVICE PROCEDURE

P1386-Knock Sensor System Failure: Notes

Fig 1: Knock Sensor System Circuit Schematic

Courtesy of CHRYSLER LLC

When Monitored : After the anti-knock control is shut off and the engine is at operating temperature.
Set Condition : The anti-knock control test has failed Ten consecutive times in a row.

Possible Causes
POWERTRAIN CONTROL MODULE

For a complete Powertrain Control Module Circuit Diagram,

Factory Service Tools

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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.

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