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Mechanical Gas Fuel System G5.9, G8.3 – FAULT CODE 442

Battery 1 Voltage High – Data Valid but Above Normal Operating Range
– Moderately Severe Level


Overview

Battery 1 Voltage High – Data Valid but Above Normal Operating Range
– Moderately Severe Level

CODE REASON EFFECT
Fault Code: 442
PID: P168
SPN: 168
FMI: 0/16
LAMP: Warning
SRT: 

Battery 1 Voltage High – Data Valid but Above Normal Operating Range
– Moderately Severe Level.

ECM damage will occur.
Battery Supply Circuit
SMALL | MEDIUM | LARGE

Circuit Description

The +24-VDC battery circuit provides operating power to the ECM module. This power supply is provided by a 20A DC power supply.

Component Location

The location of the DC power supply varies with the OEM.

Shop Talk

Improper wiring of the battery circuit is the most likely cause of this fault.

Refer to Troubleshooting Fault Code t05-442

Last Modified:  15-Jul-2010
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