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Home >> GMC >> 2016 >> Canyon SL >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U2500-U25FF: Control Module U Code List >> Circuit/System Verification
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Circuit/System Verification

NOTE:

An invalid data DTC is normally set along with another DTC or symptom. Diagnose other DTCs and/or symptoms before replacing any device.

  1. Engine running for 10 s.
  2. Ignition ON, engine OFF, verify DTC U2500-U25FF is not set.
    • If DTC U2500-U25FF is set without other DTCs set 
    1. Program the device specified by the DTC descriptor.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the appropriate device.
      • If the DTC does not set
    3. All OK.
    • If DTC U2500-U25FF is not set 
  3. All OK
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