LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2021 >> Terrain SLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Electronic Transmission Range Select System) >> Diagnostic Information and Procedures >> DTC P17CB >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2021 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle in Service Mode.
  2. Check for updated software in T6 Hybrid Powertrain Control Module.
    • If software is not current 

      Perform the programming  procedure for the T6 Hybrid Powertrain Control Module.

    • Go to next step: If software is up to date 
  3. Replace the T6 Hybrid Powertrain Control Module.
  4. Verify DTC P17CB is not set.
    • If DTC P17CB is set 

      Replace the K38 Chassis Control Module

    • Go to next step: If DTC P17CB is not set 
  5. All OK.