DIAGNOSTIC CHARTS – V6 Engines,

ABS DIAGNOSTIC TROUBLE CODE TABLE
DTC CODE DESCRIPTION
12 No Fault
21 Front Right Wheel Speed Sensor Incorrect Signal
23 Front Right Wheel Speed Sensor Short Circuit or Open Circuit
25 Front Left Wheel Speed Sensor Incorrect Signal
27 Front Left Wheel Speed Sensor Short Circuit or Open Circuit
28 Wheel Speed Sensor Frequency Error
31 Rear Right Wheel Speed Sensor Incorrect Signal
33 Rear Right Wheel Speed Sensor Short Circuit or Open Circuit
35 Rear Left Wheel Speed Sensor Incorrect Signal
37 Rear Left Wheel Speed Sensor Short Circuit or Open Circuit
41 Front Right Inlet Valve Solenoid Fault
42 Front Right Outlet Valve Solenoid Fault
45 Front Left Inlet Valve Solenoid Fault
46 Front Left Outlet Valve Solenoid Fault
55 Rear Axle Inlet Valve Solenoid Fault
56 Rear Axle Outlet Valve Solenoid Fault
61 Pump Motor or Relay Fault
63 Valve Solenoid Relay Circuit Fault
67 Stop Lamp Switch Circuit Fault
71 Control Module Internal Fault
85 System Voltage Too Low

DIAGNOSTIC CHARTS – GEN III V8 Engine, V8 – WITH THROTTLE RELAXER

ABS/TCS DIAGNOSTIC TROUBLE CODE TABLE
DTC CODE DESCRIPTION
12 No Fault
21 Front Right Wheel Speed Sensor Incorrect Signal
23 Front Right Wheel Speed Sensor Short Circuit or Open Circuit
25 Front Left Wheel Speed Sensor Incorrect Signal
27 Front Left Wheel Speed Sensor Short Circuit or Open Circuit
28 Wheel Speed Sensor Frequency Error
31 Rear Right Wheel Speed Sensor Incorrect Signal
33 Rear Right Wheel Speed Sensor Short Circuit or Open Circuit
35 Rear Left Wheel Speed Sensor Incorrect Signal
37 Rear Left Wheel Speed Sensor Short Circuit or Open Circuit
41 Front Right Inlet Valve Solenoid Fault
42 Front Right Outlet Valve Solenoid Fault
45 Front Left Inlet Valve Solenoid Fault
46 Front Left Outlet Valve Solenoid Fault
47 Priming Valve Solenoid Fault
48 Switching Valve Solenoid Fault
51 Rear Right Inlet Valve Solenoid Fault
52 Rear Right Outlet Valve Solenoid Fault
55 Rear Left Inlet Valve Solenoid Fault
56 Rear Left Outlet Valve Solenoid Fault
58 Throttle Relaxer PWM (Pulse Width Modulation) Interface Fault
61 Pump Motor or Relay Fault
62 RPM Signal Fault (refer diagnostic charts in both the V6 and GEN III V8 Sections
63 Valve Solenoid Relay Circuit Fault
64 Throttle Relaxer Control Module Position Fault
65 Throttle Relaxer Motor Fault
66 Throttle Relaxer Control Fault
67 Stop Lamp Switch Circuit Fault
68 TPS (Throttle Position Sensor) Monitoring Fault
71 Control Module Internal Fault
72 Serial Data Fault (refer diagnostic charts in both the V6 and GEN III V8 Sections)
73 Spark Retard Monitoring Fault (refer diagnostic charts in both the V6 and GEN III V8 Sections)
73 Requested Torque Circuit Fault – V6 Engines Only
74 Actual Torque Circuit Fault – V6 Engines Only
78 Incorrect Option Coding
85 System Voltage Too Low