Defect Code 40

Defect code 40:

•D• 900 Defect code memory: 40 A/C compressor:

Explanation: This defect code is stored only in the case of DME M1.3 when the control unit simultaneously receives the signals 'compressor in operation' (Pin 40) and 'A/C switch not pressed' (Pin 41). In this case, there is either a break at Pin 41 or a short to battery voltage at Pin 40.

Troubleshooting: As displayed on screen.