DTC P0D1A-71: Hybrid/EV Battery Pack Coolant Control Valve "B" Performance/Stuck Off Actuator Stuck [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.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Warning Indicate	DTC Output from	Priority	Note
P0D1A-71	Hybrid/EV Battery Pack Coolant Control Valve "B" Performance/Stuck Off Actuator Stuck	Detected when either of the following conditions is satisfied within the specified time from when HV battery cooling started (2 trip detection logic) Open malfunction detected The change in temperature for the refrigerant inlet and outlet is higher than the specified value when the command value sent to the No. 1 magnet valve assembly is a close command Close malfunction detected The change in temperature for the refrigerant inlet is lower than the specified value when the command value sent to the No. 1 magnet valve assembly is an open command	No. 1 magnet valve assembly No. 1 air conditioning thermistor assembly (duct inlet 1, duct inlet 2) No. 2 air conditioning thermistor assembly (duct outlet 1, duct outlet 2) Battery ECU assembly Wire harness or connector A/C cooler pipe HV battery cooler pipe Cooling fan system	Comes on	Master Warning: Comes on	HV Battery	A	SAE Code: P0D1B

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

DTC Output from

Priority

Note

P0D1A-71

Hybrid/EV Battery Pack Coolant Control Valve "B" Performance/Stuck Off Actuator Stuck

Detected when either of the following conditions is satisfied within the specified time from when HV battery cooling started
(2 trip detection logic)
Open malfunction detected

The change in temperature for the refrigerant inlet and outlet is higher than the specified value when the command value sent to the No. 1 magnet valve assembly is a close command

Close malfunction detected

The change in temperature for the refrigerant inlet is lower than the specified value when the command value sent to the No. 1 magnet valve assembly is an open command

No. 1 magnet valve assembly
No. 1 air conditioning thermistor assembly (duct inlet 1, duct inlet 2)
No. 2 air conditioning thermistor assembly (duct outlet 1, duct outlet 2)
Battery ECU assembly
Wire harness or connector
A/C cooler pipe
HV battery cooler pipe
Cooling fan system

Comes on

Master Warning:
Comes on

HV Battery

SAE Code:
P0D1B