DTC U3000:49 [WATER HEATER SYSTEM]


id070228730700

DTC

U3000:49

Internal electronic failure

DETECTION CONDITION
•  CPU detects malfunction in the water heater unit
POSSIBLE CAUSE
•  Water heater unit malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
INSPECT WATER HEATER UNIT
•  Clear DTCs using the M-MDS.
•  Perform the water heater unit DTC inspection using the M-MDS.
•  Is DTC U3000:49 displayed?
Yes
Replace the water heater unit, then go to the next step.
No
Go to the next step.
2
VERIFY AFTER REPAIR PROCEDURE
•  Perform after repair procedure.
•  Are any DTCs present?
Yes
Go to the applicable DTC troubleshooting.
No
Troubleshooting completed.