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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P15F2: Engine Torque Command Signal Message Counter >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
NOTE:

Diagnose and repair any communication DTCs prior to performing this testing.

  1. Vehicle ON.
  2. Verify DTC P15F2 is not set.
    • If the DTC is set 
    1. Program the K20 ECM.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K20 ECM.
      • If the DTC does not set.
    3. All OK
    • If the DTC is not set 
  3. All OK
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