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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Plug-In Charge Control System - Diagnostic Codes (3 Of 3) & Symptom Tests) >> PLUG-IN CHARGE CONTROL SYSTEM (for PHEV Model) >> DTC P1CCD-96: Sub DC/DC Converter (for Charging) Component Internal Failure [12/2023 - ] >> Description

DTC P1CCD-96: Sub DC/DC Converter (for Charging) Component Internal Failure [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

The sub DC/DC converter built into the electric vehicle charger assembly supplies power to the auxiliary battery during plug-in charging. The charge control ECU assembly built into the electric vehicle charger assembly monitors the voltage sensor, current sensor and temperature sensor of the sub DC/DC converter to control charging of the auxiliary battery during plug-in charging and to detect malfunctions.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P1CCD-96 Sub DC/DC Converter (for Charging) Component Internal Failure During charging, the following condition is met 2 times*:
The sub DC/DC converter is malfunctioning and auxiliary battery voltage is 11 V or less.
*: Even if the above condition is met, DTCs will not be stored on the first charge. DTCs will be stored on the second charge.
(1 trip detection logic)
  • Electric vehicle charger assembly
  • AMD fuse
  • Wire harness or connector
Does not come on Master Warning:
Comes on
Plug-in Control B SAE Code:
P1CCD