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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Rear Motor Generator Control System - Diagnostic Codes) >> REAR MOTOR GENERATOR CONTROL SYSTEM (for PHEV Model) >> DTC P26F4-96: Coolant Pump "C" Control Circuit Component Internal Failure [12/2023 - ] >> Description

DTC P26F4-96: Coolant Pump "C" Control Circuit 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.

Refer to the description for DTC P26F4-31.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P26F4-96 Coolant Pump "C" Control Circuit Component Internal Failure Oil pump startup request is made, but startup fails for more than a specified number of times.
(2 trip detection logic)
  • Rear transaxle with motor assembly
  • EV motor control inverter assembly
  • Wire harness or connector
Does not come on Master Warning:
Comes on
Rear Motor Generator A SAE Code: P2C48

HINT: 

The oil pump assembly cannot be activated only with the OIL PMP RR relay on. It is activated after receiving the command signals (ROPM) from the rear motor generator control ECU (MGR ECU).