DTC Descriptions

The antilock brake system module may report any of the following diagnostic trouble codes:

21 Right Front Sensor Open
22 No Signal From Right Front Sensor
23 Intermittent Signal From Right Front Sensor
25 Left Front Sensor Open
26 No Signal From Left Front Sensor
27 Intermittent Signal From Left Front Sensor
35 Rear Sensor Open
36 No Signal From Rear Sensor
37 Intermittent Signal From Rear Sensor
38 Wheel Speed Mismatch
41 Right Front Isolation Solenoid Open
42 Right Front Dump Solenoid Open
43 Right Front Isolation Solenoid Shorted
44 Right Front Dump Solenoid Shorted
45 Left Front Isolation Solenoid Open
46 Left Front Dump Solenoid Open
47 Left Front Isolation Solenoid Shorted
48 Left Front Dump Solenoid Shorted
51 Rear Isolation Solenoid Open
52 Rear Dump Solenoid Open
53 Rear Isolation Solenoid Open
54 Rear Dump Solenoid Shorted
61 Right Front Reset Switch Closed
62 Left Front Reset Switch Closed
63 Rear Reset Switch Closed
65 Main Relay Open
66 Main Relay Shorted
67 Pump Motor Circuit Open
68 Pump Motor Stalled
70 Controller Vehicle Mismatch
71 RAM Read/Write
72 ROM Checksum
73 Watchdog
78 Foundation Brake
81 Brake Switch Circuit
88 Brake Warning Lamp (Red) Circuit
89 ABS Warning Lamp Circuit