LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2021 >> Express 2500 LS, 2.8L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications >> Diagnostic Information and Procedures >> DTC U0125 >> Circuit/System Verification

Circuit/System Verification

  1. Verify that DTC U0073, U0074, U0076, U0077, U0078, U1814, U2099, U2100, B1325, B1330, B1370, B1380, B1424, B1428, B1440, B1441, B1517, C0800, C0899, C12E1, P0560, or P0562 is not set.
  2. Engine running for 10 s.
  3. Ignition ON, engine OFF, verify that DTC U0125 is not set with symptom byte 00 in the K17 Electronic Brake Control Module.
    • If the DTC U0125 is set with symptom byte 00, refer to Circuit/System Testing.
  4. Verify that DTC U0125 is not set with symptom byte 71 or 72 in the K17 Electronic Brake Control Module.
    • If the DTC U0125 is set with symptom byte 71 or 72 along with other DTCs set, diagnose all other codes first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
    • If the DTC U0125 is set with symptom byte 71 or 72 and without other DTCs set, reprogram the K17 Electronic Brake Control Module. If the DTC resets, replace the K17 Electronic Brake Control Module.
scientia non olet · About LEMON Manuals