LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2007 >> Crossfire Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0702 To P1999 >> P1386-Knock Sensor System Failure >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Test

  1. 1) CHECK PCM FOR INTERNAL FAILURE DTC 
    NOTE: This DTC will not turn on the Check Engine light.

    Turn the ignition on.

    With the scan tool, erase PCM DTCs.

    Turn the ignition off, then back on.

    Monitor the scan tool for this DTC.

    With the scan tool, read PCM DTCs.

    Did the DTC, (P1386) KNOCK SENSOR SYSTEM FAILURE, set again? 

    Yes 

    1. Replace and program the Powertrain Control Module. Refer to REMOVAL .
    2. Perform POWERTRAIN VERIFICATION TEST - VER 2 .

    No 

    1. Go To  2).
  2. 2) INTERMITTENT WIRING AND CONNECTORS 

    The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.

    NOTE: Check connectors - Clean/repair as necessary. Poor pin to terminal connections can set DTCs.
    NOTE: Check for any Technical Service Bulletins that may apply.

    Using the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the wires while checking for shorts and/or open circuits.

    Were there any problems found? 

    Yes 

    1. Repair as necessary.
    2. Perform POWERTRAIN VERIFICATION TEST - VER 2 .

    No 

    1. The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition.
scientia non olet · About LEMON Manuals