Antilock Brake System (ABS)

Vehicles with only Antilock Brake System (ABS) are said to have ABS Diagnostic Trouble Codes (DTCs). Vehicles equipped with the Traction Control System (TCS) are said to have TCS DTCs. These references are interchangeable in most instances.


Antilock Brake System (ABS) and Traction Control System (TCS) Diagnostic Trouble Codes (DTC)s

Code Description

21 RF Wheel Speed Sensor Fault
22 RF Wheel Speed Sensor Frequency Error
23 RF Wheel Speed Sensor Continuity Fault
25 LF Wheel Speed Sensor Fault
26 LF Wheel Speed Sensor Frequency Error
27 LF Wheel Speed Sensor Continuity Fault
28 Wheel Speed Sensor Frequency Error
31 RR Wheel Speed Sensor Fault
32 RR Wheel Speed Sensor Frequency Error
33 RR Wheel Speed Sensor Continuity Fault
35 LR Wheel Speed Sensor Fault
36 LR Wheel Speed Sensor Frequency Error
37 LR Wheel Speed Sensor Continuity Fault
41 RF ABS Valve Solenoid Fault
44 RF TCS Pilot Valve Fault
45 LF ABS Valve Solenoid Fault
48 LF TCS Pilot Valve Fault
51 RR ABS Valve Solenoid Fault
55 LR Valve Solenoid Valve Fault (TCS)
55 Rear Valve Solenoid Valve Fault (Non - TCS)
61 Motor Pump Circuit Fault
63 Valve Relay Fault
67 Brake Light Switch Fault
71 Electronic Brake and TCS (EBTCM/EBCM) Internal Fault
72 Serial Data Link Fault
73 PCM - EBTCM/EBCM Pulse Width Modulation Signal Fault
83 Brake Fluid Level Low