DTC P33E6-00: Hybrid/EV Battery Stack 1 Capacity Decline; DTC P33E7-00: Hybrid/EV Battery Stack 2 Capacity Decline; DTC P33E8-00: Hybrid/EV Battery Stack 3 Capacity Decline; DTC P33E9-00: Hybrid/EV Battery Stack 4 Capacity Decline [12/2023 - ]: Procedure
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.
- CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL)
Pre-procedure1
- None.
Procedure1
- Check for DTCs.
Powertrain > HV Battery > Trouble Codes
Powertrain > Hybrid Control > Trouble Codes
Result
Result Proceed to "P33E6-00, P33E7-00, P33E8-00 or P33E9-00" only is output, or DTCs except the ones in the table below are also output. A DTCs of hybrid battery system in the table below are output. B DTCs of hybrid control system in the table below are output. C System Relevant DTC Hybrid battery system P060A-47 Hybrid/EV Battery Energy Control Module Monitoring Processor Watchdog / Safety MCU Failure P060B-49 Hybrid/EV Battery Energy Control Module A/D Processing Internal Electronic Failure P0606-87 Hybrid/EV Battery Energy Control Module Processor to Monitoring Processor Missing Message Hybrid control system P0A1F-94 Hybrid/EV Battery Energy Control Module Unexpected Operation Post-procedure1
- Turn the ignition switch off.
Result:
B
GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2023 - ]
Result:
C
GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2023 - ]
Result:
A
See step 2
- None.
- CHECK DTC
- Check the DTCs that were output when the vehicle was brought to the workshop.
Result
Result Proceed to "P33E6-00" is also output. A "P33E7-00" is also output. B "P33E8-00" is also output. C "P33E9-00" is also output. D
Result:
A
REPLACE NO. 1 HV SUPPLY STACK SUB-ASSEMBLY. Refer to REMOVAL [12/2023 - ]
Result:
B
REPLACE NO. 2 HV SUPPLY STACK SUB-ASSEMBLY. Refer to REMOVAL [12/2023 - ]
Result:
C
REPLACE NO. 3 HV SUPPLY STACK SUB-ASSEMBLY. Refer to REMOVAL [12/2023 - ]
Result:
D
REPLACE NO. 4 HV SUPPLY STACK SUB-ASSEMBLY. Refer to REMOVAL [12/2023 - ]
- Check the DTCs that were output when the vehicle was brought to the workshop.