Owner manual

Retrieving ABS Codes
GM 3-14
3.5.5 Bosch 2U System Service Codes
Code Service Code Definition
41 Right front solenoid valve fault
45 Left front solenoid valve fault
55 Rear solenoid valve fault
61 Pump motor or motor relay fault
63 Solenoid valve relay fault
71 Electronic Brake Control Module (EBCM) fault
72 Serial data link fault
75 Lateral accelerometer fault; short to battery, ground or
open circuit
76 Lateral accelerometer fault, signal out of range or incorrect
Code Service Code Definition
12 Normal
21 Right front wheel sensor fault
22 Right front toothed wheel frequency error
25 Left front wheel sensor fault
26 Left front toothed wheel frequency error
35 Rear axle speed sensor fault
36 Rear axle toothed wheel frequency error
41 Right front solenoid valve fault
45 Left front solenoid valve fault
55 Rear wheels solenoid valve fault
61 Pump motor or motor relay fault
63 Solenoid valve relay fault
71 Electronic brake control module fault
72 Serial data line fault