Toyota Corolla Cross: Steering Wheel

 Hybrid/EV Battery Internal Electronic Failure (P31B549)

DESCRIPTION The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note P31B549 Hybrid/EV Battery Internal E

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here HINT: When disconnecting and reconnecting the auxiliary