Diagnostic Trouble Codes

DTC 01 No Pressure Increase After 2 Second Wait
DTC 02 Pump Motor Times Out After 30 Seconds
DTC 03 Linkage Travel Switch Open During Power-Up
DTC 04 Link Travel Switch Open During Pressure Increase
DTC 08 Power Brake Pressure Valve/Pressure Sensor Malfunction
DTC 09 Park Brake System Pressure Leak-Down
DTC 11 System Pressure Increase with Pump Relay De-energized
DTC 12 Link Travel Switch Closes Above 900 psi
DTC 13 Oxygen Sensor Circuit
DTC 14 ECT Sensor Circuit Low
DTC 15 ECT Sensor Circuit High
DTC 21 TP Sensor Circuit High
DTC 22 TP Sensor Circuit Low
DTC 24 VSS Circuit Low
DTC 31 Governor (Engine Speed)
DTC 32 Exhaust Gas Recirculation (EGR) Error
DTC 33 MAP Sensor Circuit High Voltage
DTC 34 MAP Sensor Circuit Low Voltage
DTC 42 Ignition Control Error
DTC 43 Knock Sensor Circuit Error
DTC 44 Lean Exhaust Indicated
DTC 45 Rich Exhaust Indicated
DTC 51 PROM Error
DTC 52 PROM (CAL-PAK) Missing
DTC 54 Fuel Pump Relay Circuit Error
DTC 55 ECM Error
DTC C0221 or C021 RF Wheel Speed Sensor Circuit Open
DTC C0222 or C022 RF Wheel Speed Signal Missing
DTC C0223 or C023 RF Wheel Speed Signal Erratic
DTC C0225 or C025 LF Wheel Speed Sensor Circuit Open
DTC C0226 or C026 LF Wheel Speed Signal Missing
DTC C0227 or C027 LF Wheel Speed Signal Erratic
DTC C0231 RR Wheel Speed Signal Circuit Open
DTC C0232 RR Wheel Speed Signal Missing
DTC C0233 RR Wheel Speed Signal Erratic
DTC C0235 LR Wheel Speed Signal Circuit Open
DTC C0236 LR Wheel Speed Signal Circuit Missing
DTC C0237 LR Wheel Speed Signal Erratic
DTC C0238 or C038 Wheel Speed Mismatch
DTC C0241-C0258 EBCM Control Valve Circuit
DTC C0265 or C0266 and C065 C066 EBCM Relay Circuit
DTC C0267 or C0268 and C067 or C068 Pump Motor Circuit Open/Shorted
DTC C0269 or C0274 and C069 or C074 Excessive Dump/Isolation Time
DTC C0271-C0273 or C071 or C073 EBCM Malfunction
DTC C0279 Trim Level Not Selected
DTC C0281 or C081 Brake Switch Circuit
DTC C0286 or C086 ABS Indicator Lamp Circuit Shorted to B+