Computers and Control Systems

--
PINPOINT TEST 2: DTC B1317 - BATTERY VOLTAGE HIGH - HYBRID

Normal Operation

The Smart Junction Box (SJB) monitors the voltage from the battery to determine if it goes above or below specific thresholds and sets DTC B1317 in continuous memory and on-demand if the SJB detects high battery voltage above 15.5 volts on circuit (Y/R).

- DTC B1317 (Battery Voltage High) - a continuous memory or on-demand DTC that sets when the SJB detects battery voltage above 15.5 volts on circuit (Y/R).

Possible Causes

- Charging system concern
- SJB

Diagnostic Procedure

NOTE:DTC B1317 may be stored in the module memory due to previous battery charging or vehicle jump starting events.

Step 1-Step 3: