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Retrieving abs codes – Equus 3123 - GM Code Reader (1982 - 1995) User Manual

Page 39

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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