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Home >> Chevrolet >> 2020 >> Camaro SS, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Manual Transmission - TREMEC 6-Speed (M13 MJK Mm6 MH3)) >> Diagnostic Information and Procedures >> DTC P17A2 (LTG, LGX) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On/Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system:
    • B14A Transmission Output Shaft Speed Sensor
    • B26 Crankshaft Position Sensor
    • Go to next step: If a related DTC is not set 
  3. CAUTION:

    Support the lower control arms in the normal horizontal position in order to avoid damage to the drive axles. Do not operate the vehicle in gear with the wheels hanging down at full travel.

  4. Raise and support the vehicle.
  5. Engine - Idling
  6. Transmission - In Gear
  7. Verify the scan tool parameter: Transmission OSS = The value should change smoothly and gradually as the vehicle speed is increased and decreased.
    • Go to next step: If the value changes smoothly and gradually 
  8. WARNING:

    Road test a vehicle under safe conditions and while obeying all traffic laws. Do not attempt any maneuvers that could jeopardize vehicle control. Failure to adhere to these precautions could lead to serious personal injury and vehicle damage.

  9. From a stop, accelerate until the transmission reaches gear 6 and then coast down to a stop.

    Verify the scan tool parameter:

    • Excessive Clutch Slip Counter - After Gear Change = 0 Counts
    • Excessive Clutch Slip Counter - After Gear Change without Clutch = 0 Counts
    • Excessive Clutch Slip Counter - Clutch Engaged = 0 Counts
    • If greater than 0 counts 
    1. Verify the following conditions do not exist:
      • Output Shaft Speed Sensor = Loose/Misaligned
      • Reluctor Ring = Loose/Cracked/Misaligned
      • If a condition exists - Repair or replace as necessary
      • If no condition exists - Refer to: Symptoms - Clutch
    • Go to next step: If 0 counts 
  10. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

    Verify the DTC does not set.

    • Go to next step: If the DTC does not set 
  11. All OK.