DTC 30248
Low Temp
POSSIBLE CAUSE
A. WIRING FAULT
B. FAULTY TRACTION CONTROLLER
COMPONENT OPERATIONAL CHECK
NOTE: Always check battery condition and state of charge before performing electrical troubleshooting. A faulty
or low charged battery will cause electrical features to not operate as designed and give incorrect readings while
performing electrical tests.
PROCEDURE OR ACTION:
1. Conduct a visual inspection of all connectors/wiring associated with the fault code.
Are any faults detected/observed?
YES: Repair/replace connector or wiring associated with faults found. Refer to the appropriate Electrical
System YRM .
NO: Proceed to Step 2.
2. Re-key the vehicle.
Is the code still present?
YES: Proceed to .
NO: Fault may be intermittent.
3. Remove truck from austere environment and turn key to ON position. The system will recover once truck is
able to achieve an internal temperature of -30°C (-22°F) or higher.
Did system record and code reset?
YES: Instruct operator on thermal management.
NO: Proceed to Cause A.
ELECTRICAL SYSTEM Diagnostic Trouble Codes
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-61
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