DTC P3000-4B: Hybrid/EV Battery Control System Over Temperature [11/2021 - ]: Procedure

1. Check for DTCs.

   Powertrain > HV Battery > Trouble Codes 

   Result

   Result	Proceed to
   "P3000-4B" 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
   	P0A81-11	Hybrid/EV Battery Cooling Fan 1 Circuit Short to Ground
   	P0A81-15	Hybrid/EV Battery Cooling Fan 1 Circuit Short to Auxiliary Battery or Open
   	P0A81-96	Hybrid/EV Battery Cooling Fan 1 Component Internal Failure
   	P0A9B-11	Hybrid/EV Battery Temperature Sensor "A" Circuit Short to Ground
   	P0A9B-15	Hybrid/EV Battery Temperature Sensor "A" Circuit Short to Auxiliary Battery or Open
   	P0A9B-1C	Hybrid/EV Battery Temperature Sensor "A" Voltage Out of Range
   	P0A9B-2A	Hybrid/EV Battery Temperature Sensor "A" Signal Stuck In Range
   	P0AAC-11	Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Ground
   	P0AAC-15	Hybrid/EV Battery Air Temperature Sensor "A" Circuit Short to Auxiliary Battery or Open
   	P0AC5-11	Hybrid/EV Battery Temperature Sensor "B" Circuit Short to Ground
   	P0AC5-15	Hybrid/EV Battery Temperature Sensor "B" Circuit Short to Auxiliary Battery or Open
   	P0AC5-1C	Hybrid/EV Battery Temperature Sensor "B" Voltage Out of Range
   	P0AC5-2A	Hybrid/EV Battery Temperature Sensor "B" Signal Stuck In Range
   	P0ACA-11	Hybrid/EV Battery Temperature Sensor "C" Circuit Short to Ground
   	P0ACA-15	Hybrid/EV Battery Temperature Sensor "C" Circuit Short to Auxiliary Battery or Open
   	P0ACA-1C	Hybrid/EV Battery Temperature Sensor "C" Voltage Out of Range
   	P0ACA-2A	Hybrid/EV Battery Temperature Sensor "C" Signal Stuck In Range
   	P0AE8-11	Hybrid/EV Battery Temperature Sensor "D" Circuit Short to Ground
   	P0AE8-15	Hybrid/EV Battery Temperature Sensor "D" Circuit Short to Auxiliary Battery or Open
   	P0AE8-1C	Hybrid/EV Battery Temperature Sensor "D" Voltage Out of Range
   	P0AE8-2A	Hybrid/EV Battery Temperature Sensor "D" Signal Stuck In Range
   	P0BC2-11	Hybrid/EV Battery Temperature Sensor "E" Circuit Short to Ground
   	P0BC2-15	Hybrid/EV Battery Temperature Sensor "E" Circuit Short to Auxiliary Battery or Open
   	P0BC2-1C	Hybrid/EV Battery Temperature Sensor "E" Voltage Out of Range
   	P0BC2-2A	Hybrid/EV Battery Temperature Sensor "E" Signal Stuck In Range
   	P0C33-11	Hybrid/EV Battery Temperature Sensor "F" Circuit Short to Ground
   	P0C33-15	Hybrid/EV Battery Temperature Sensor "F" Circuit Short to Auxiliary Battery or Open
   	P0C33-1C	Hybrid/EV Battery Temperature Sensor "F" Voltage Out of Range
   	P0C33-2A	Hybrid/EV Battery Temperature Sensor "F" Signal Stuck In Range
   	P3065-62	Hybrid/EV Battery Temperature Sensor "Group 1" Signal Compare Failure
   	P306A-62	Hybrid/EV Battery Temperature Sensor "Group 2" Signal Compare Failure
   Hybrid control system	P0A1F-94	Hybrid/EV Battery Energy Control Module Unexpected Operation

2. Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART (HYBRID BATTERY SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - ] 

Result: 

C 

GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 03/2024]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2024 - ] 

Result: 

A 

See step  2

Refer to REMOVAL [11/2021 - ]

Result

Result: 

NEXT 

REPLACE NO. 1 HV SUPPLY STACK SUB-ASSEMBLY AND NO. 2 HV SUPPLY STACK SUB-ASSEMBLY. Refer to  REMOVAL [11/2021 - ]