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Home >> Chevrolet >> 2002 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Information and Procedures >> Diagnostic Trouble Code (DTC) Identification

Diagnostic Trouble Code (DTC) Identification

Fig 1: Diagnostic Trouble Code (DTC) List
G01586323Courtesy of GENERAL MOTORS CORP.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Definition
C0221  RF Wheel Speed Sensor Circuit Open
C0222  RF Wheel Speed Signal Missing
C0223  RF Wheel Speed Signal Erratic
C0225  LF Wheel Speed Sensor Circuit Open
C0226  LF Wheel Speed Signal Missing
C0227  LF Wheel Speed Signal Erratic
C0229  Drop Out Of Front Wheel Speed Signals
C0235  Rear Wheel Speed Signal Circuit Open
C0236  Rear Wheel Speed Signal Circuit Missing
C0237  Rear Wheel Speed Signal Erratic
C0238  Wheel Speed Mismatch
C0241  EBCM Control Valve Circuit
C0245  Wheel Speed Sensor Frequency Error
C0254  EBCM Control Valve Circuit
C0265  EBCM Relay Circuit
C0266  EBCM Relay Circuit
C0267  Pump Motor Circuit Open/Shorted
C0268  Pump Motor Circuit Open/Shorted
C0269  Excessive Dump/Isolation Time
C0274  Excessive Dump/Isolation Time
C0271  EBCM Malfunction
C0272  EBCM Malfunction
C0273  EBCM Malfunction
C0281  Brake Switch Circuit
C0286  ABS Indicator Lamp Circuit Shorted to B+
C0288  Brake Warning Lamp Circuit Shorted to B+
P1504  Vehicle Speed Output Circuit