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Home >> GMC >> 2016 >> Canyon SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U007C: Control Module Communication High Speed Extension CAN Bus 2 Off >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle In Service Mode.
  2. Verify that DTC U0073, U0074, U0075, U0077, U0078, U007A, P06E4, P1EB9, U1814, U2099, B1325, B1330, B1370, B1380, B1424, B1428, B1440, B1441, B1517, C0800, C0899, C12E1, P0560, or P0562 is not set.
    • If none of the DTCs are set 
  3. Refer to Circuit/System Testing.
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