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...
74
BOOST TEMP. SENSOR VOLTAGE HIGH
04
· Charge air temperature lower than -45 °C/ - 49 °F (voltage higher than 4.98 V)
(short circuit to voltage or circuit interruption)
· Condition must be fulfilled for at least 0.5 s
Replacement values:
· 125 °C/ 257 °F
Effects:
· Maximum output is reduced.
Note:
The sensor can be destroyed by a short circuit to the battery.