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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4T45-E - DTC P0218 To DTC P2764) >> DTC P0601-P0604 or P062F >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine running for at least 1 minute.
  2. Ignition OFF for 30 seconds to allow complete shutdown of the TCM.
  3. Ignition ON, verify that DTC P0602 is not set.
    • If the DTC is set, program the TCM. If the DTC resets, replace the TCM.
  4. Observe the DTC information with a scan tool. DTC P0601, P0603, P0604, and P062F should not set.
    • If a DTC sets, replace the TCM.
  5. Operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.
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