Defect Code 12

Defect Code 12:

*D* Defect code memory: 12 Keypad:

Possible cause: Short to ground

Effect of defect: Keypad signal is ignored

Troubleshooting: Check wire from control unit connector X 18131 Pin 9 via connector memory X 678 B Pin 12 to keypad (memory switch) and repair if necessary; if wire is OK, check keypad (memory switch) and repair if necessary.