Table 2, Digital Diesel Electronics DDE 2.1 F2:TROUBLE CODE TABLE
| Trouble Code | Information Sensor Cause of Fault | Remedy in F0:DATA LIST No. | Trouble Code Storage when... |
|---|---|---|---|
| 37 | INCORRECT BRAKE SWITCH SIGNAL | 07, 08 | · Battery voltage higher than 10 V |
· Brake lamp switch ON (voltage higher than 7 V)
· Brake test switch OFF (voltage higher than 4 V)
or
· Battery voltage higher than 10 V
· Brake lamp switch OFF (voltage lower than 3 V)
· Brake test switch ON (voltage lower than 2 V)
· Conditions must be fulfilled for at least 60.5 s
Effects:
· Cruise control operation not possible