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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1992 (Automatic Transmission - 2MT70 - DTC P0218 To DTC P0963) >> DTC P0500, P0501, P062C, P2158, or P2159 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: For vehicles equipped with a transfer case, review Diagnostic Aids.
  1. Verify that OSS DTCs P0721, P0722, or P0723 are not set in the TCM.
  2. Verify that ABS DTCs C0035-C0050, C1207-C1210, C1221-C1228, C1232-C1235, C005A, C0245, or C122E are not set in the EBCM.
  3. Program the ECM with the latest software version and retest for DTCs.
    • If the DTC resets, replace the ECM.
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