User manual

TROUBLE SHOOTING
OPEL / VAUXHALL
24
A0909032-1
APPENDIX A
Diagnostic Trouble Codes
Code Fault description
12 Start of code sequence, or no fault found.
13 Oxygen sensor not switching
14 Coolant temperature sensor voltage low
15 Coolant temperature sensor voltage high
21 Throttle potentiometer voltage high
22 Throttle potentiometer voltage low
24 Road speed sensor no signal
33 MAP sensor voltage high
34 MAP sensor voltage low
35 Idle speed control no function
42 Ignition adjustment no function
44 Oxygen sensor voltage low
45 Oxygen sensor voltage high
51 EPROM faulty
53 Battery voltage high
54 CO-potentiometer out of range
55 ECU faulty