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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Plug-In Charge Control System - Diagnostic Codes (1 Of 3)) >> PLUG-IN CHARGE CONTROL SYSTEM (for PHEV Model) >> DTC P1BA8-49: Charger "B" Enable Circuit Internal Electronic Failure [08/2023 - ] >> Description

DTC P1BA8-49: Charger "B" Enable Circuit Internal Electronic Failure [08/2023 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.

Internal operation status is monitored by the charge control ECU built into the electric vehicle charger assembly, and when a charge disconnect signal function abnormality is detected on the system 2 side, a DTC is stored.If this DTC is output, replace the electric vehicle charger assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P1BA8-49 Charger "B" Enable Circuit Internal Electronic Failure When internal CHEN is in operation prohibited status, CHPW command is output and IAC current is flowing.
(1 trip detection logic)
Electric vehicle charger assembly Comes on Master Warning:
Comes on
Plug-in Control A SAE Code:
P1BAB