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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (AUTOMATIC TRANSMISSION - ALLISON - DIAGNOSTICS (DTCs P0218-P0731)) >> DTC P0700 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

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DTC P0700

Step Action Yes No
Schematic Reference: Automatic Transmission Controls Schematics
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Install the scan tool.
  2. IMPORTANT:
    • Before clearing the DTC, use the scan tool in order to record the Freeze Frame and Failure Records for reference. The Clear Info function will erase the data.
    • DTC P0700 is set by the ECM. DTC P0700 allows a technician to be alerted from the engine diagnostic side that the TCM is setting a DTC and is requesting the MIL.
    • If the TCM has DTCs set that are requesting MIL illumination, those DTCs must be diagnosed first. Refer to Obtaining Diagnostic Trouble Codes .
  3. Turn ON the ignition, with the engine OFF.
Does the scan tool display any DTCs other than DTC P0700?
Go to Diagnostic Trouble Code (DTC) List/Type Go to Diagnostic System Check - Vehicle