DTC B1317 [BCM]SM2445879
DTC B1317 [BCM]

id0902f5830900

DTC B1317

Battery voltage high

DETECTION CONDITION
• Input voltage from the battery is excessively high.
POSSIBLE CAUSE
• PCM DTC is stored
• Battery malfunction
• Generator malfunction
• BCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY PCM DTC
• Perform the PCM DTC inspection using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [L5].) (See ON-BOARD DIAGNOSTIC TEST [L3 Turbo].) (See ON-BOARD DIAGNOSTIC TEST [MZR-CD 2.2].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
2
INSPECT BATTERY
• Is there any malfunction?
Yes
Replace the battery, then go to Step 4.
No
Go to the next step.
3
INSPECT GENERATOR
• Is there any malfunction?
Yes
Replace the generator, then go to the next step.
No
Go to the next step.
4
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the BCM using the M-MDS. (See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].)
• Is the same DTC present?
Yes
Replace the BCM.
No
DTC troubleshooting completed.