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Home >> Chevrolet >> 2016 >> City Express LS >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Data Communication System >> Diagnostic Information And Procedures >> DTC U1010: Control Unit (CAN) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC U1010 is not set.
    • If the DTC is set by the K9 Body Control Module or K89 Immobilizer Control Module 

      Replace the K9 Body Control Module.

    • If the DTC is set by the A11 Radio 

      Replace the A11 Radio.

    • If the DTC is set by the P16 Instrument Cluster 

      Replace the P16 Instrument Cluster.

    • If the DTC is set by the K71 Transmission Control Module 
    1. Engine running for 6 s.
    2. Verify if the DTC is set.
      • Go to next step: If the DTC is not set
    3. All OK.
    • If the DTC is set by the K65 Tire Pressure Indicator Module 
    1. Test drive the vehicle for several minutes at a speed of 40 km/h (25 MPH) or greater.
    2. Stop vehicle and verify if the DTC is set.
      • If the DTC is set, inspect the module connector for disconnection or deformation. If the connector is OK, replace the K65 Tire Pressure Indicator Module.
      • Go to next step: If the DTC is not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK