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Home >> Toyota >> 2020 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 149 (Hybrid Battery System (Lithium-Ion Battery) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY) >> DTC P31B5-49: Hybrid/EV Battery Internal Electronic Failure [06/2020 - ] >> Description

DTC P31B5-49: Hybrid/EV Battery Internal Electronic Failure [06/2020 - ]: Description

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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
P31B5-49 Hybrid/EV Battery Internal Electronic Failure An abnormal signal is detected by the battery ECU assembly (excessive discharging current).
(1 trip detection logic)
Hybrid vehicle control ECU assembly Does not come on Master Warning:
Comes on
RELATED DATA LIST

DTC No. Data List
P31B5-49 Hybrid/EV Battery Current