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 [03/2023 - ]: Procedure

Pre-procedure1

1. None

   Procedure1

2. Check for DTCs.

   Powertrain > HV Battery > Trouble Codes 

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   "P33E6-00, P33E7-00 or P33E8-00" 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

3. Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer To  DIAGNOSTIC TROUBLE CODE CHART [03/2023 - ] 

Result: 

C 

GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

Refer to DIAGNOSTIC TROUBLE CODE CHART [03/2023 - 01/2025] , or refer to DIAGNOSTIC TROUBLE CODE CHART [01/2025 - ]

Result: 

A 

See step  2

1. 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

Result: 

A 

REPLACE HV SUPPLY BATTERY ASSEMBLY 

Refer to REMOVAL [03/2023 - ]

Result: 

B 

REPLACE HV SUPPLY BATTERY ASSEMBLY 

Refer to REMOVAL [03/2023 - ]

Result: 

C 

REPLACE HV SUPPLY BATTERY ASSEMBLY 

Refer to REMOVAL [03/2023 - ]