DTC P1B70/P1B74/P1B96 – High Voltage Battery Sensor Circuit Fault – 2011-2014 Kia Optima Hybrid

PS292

 

SUBJECT:

DTC P1B70/P1B74/ P1B96 – HIGH VOLTAGE BATTERY SENSOR CIRCUIT FAULT

 

When addressing a customer complaint related to a battery warning lamp illuminated in the dash and drivability issues, access GDS to check for any active DTC(s). Also, review the BMS > Current Data to inspect for one or more HEV battery cells showing one (1) volt, or more, lower than the than rest of the cells (see below). Duplicating this condition may not be possible when viewing in Ready Mode. If so, test drive the vehicle with a flight recorder to capture the event in city driving conditions. Send all supporting information to Techline for documentation of condition and further diagnosis.