DTC 30003 (Cont)
LwrCoil
CAUSE B - LOWER COIL FAULT
PROCEDURE OR ACTION:
1. Measure resistance between the parallel terminal tabs at the valve coil contacts.
Is resistance 19 ± 2.0 ohms?
YES: Proceed to Cause C.
NO: Replace faulty lower coil.
CAUSE C - FAULTY TRACTION CONTROLLER
PROCEDURE OR ACTION:
1. If no faults are found, replace controller. Make sure to indicate the DTC code(s) on the warranty claim to in-
clude an accurate problem description leading to controller replacement.
END POSSIBLE CAUSES
Diagnostic Trouble Codes ELECTRICAL SYSTEM
Check the Service Manual section in Yale Axcess Online for possible updates and check pertinent Bulletins
9030-20-6
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