DTC P0A7E: Hybrid Battery Pack Over Temperature: Trouble Symptom
WARNING: This page is about a different car, the 2015 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
- EV traveling/Auto Start Stop does not operate.
- Motor assist does not regenerates.
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". < Ref. to
CAUTION , General Description.>
DTC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Using the Subaru Select Monitor, read DTCs of the following system.
|
Is either DTC P0A83 or P0A82 detected? (current malfunction) | Perform the diagnosis according to DTC. < Ref. to DRIVE MOTOR CONTROL SYSTEM , LIST, List of Diagnostic Trouble Code (DTC).> | Go to step 2 . |
| 2 CHECK FREEZE FRAME DATA. Using the Subaru Select Monitor, confirm the value of «High Voltage Battery Cooling Fan Duty Target(HPCM)» in the freeze frame data of battery energy control system. < Ref. to HIGH VOLTAGE BATTERY , ELECTRICAL SPECIFICATION, Control Module I/O Signal.> |
Is the value 20% or more? | Go to step 3 . | Replace the HPCM. < Ref. to HYBRID POWERTRAIN CONTROL MODULE .> |
| 3 CHECK HIGH VOLTAGE BATTERY COOLING FAN. Using the Subaru Select Monitor, perform «High Voltage Battery Cooling Fan» of System Operation Check Mode for the drive motor control system. < Ref. to DRIVE MOTOR CONTROL SYSTEM , OPERATION, System Operation Check Mode.> |
Does the high voltage battery cooling fan operate? | Go to step 4. | Check the high voltage battery cooling fan as a single part. < Ref. to HIGH VOLTAGE BATTERY COOLING SYSTEM .> |
| 4 CHECK DUCT. Check the high voltage battery cooling fan ducts. < Ref. to HIGH VOLTAGE BATTERY COOLING SYSTEM .> |
Are the conditions of ducts normal? (Check for clogging, dislodging, etc.) | Go to step 5 . | Repair the ducts. |
| 5 CHECK FREEZE FRAME DATA. Using the Subaru Select Monitor, confirm the value of «High Voltage Battery Discharge Power Limit 1» in the freeze frame data of battery energy control system. < Ref. to BATTERY ENERGY CONTROL SYSTEM , OPERATION, Freeze Frame Data Display.> |
Is the value 0.5 kw or less? | Go to step 6 . | Replace the high voltage battery. < Ref. to HIGH VOLTAGE BATTERY .> |
| 6 CHECK FREEZE FRAME DATA. Using the Subaru Select Monitor, confirm the value of «High Voltage Battery Charge Power 1» in the freeze frame data of battery energy control system. < Ref. to BATTERY ENERGY CONTROL SYSTEM , OPERATION, Freeze Frame Data Display.> |
Is the value 0.5 kw or less? | Go to step 7 . | Replace the high voltage battery. < Ref. to HIGH VOLTAGE BATTERY .> |
| 7 CHECK FREEZE FRAME DATA. Using the Subaru Select Monitor, confirm the values of «Drive Motor Torque Target (HPCM)»«Drive Motor Speed Target (HPCM)» in the freeze frame data of battery energy control system. < Ref. to BATTERY ENERGY CONTROL SYSTEM , OPERATION, Freeze Frame Data Display.> |
Are the values of «Drive Motor Torque Target(HPCM)» and «Drive Motor Speed Target (HPCM)» within the standard in the margin? | Go to step 8 . | Replace the HPCM. < Ref. to HYBRID POWERTRAIN CONTROL MODULE .> |
| 8 CHECK FREEZE FRAME DATA. Using the Subaru Select Monitor, confirm the values of «Drive Motor Output Torque Actual»«Drive Motor Speed» in the freeze frame data of battery energy control system. < Ref. to BATTERY ENERGY CONTROL SYSTEM , OPERATION, Freeze Frame Data Display.> |
Are the values of «Drive Motor Output Torque Actual» and «Drive Motor Speed» within the standard in the margin? | Replace the high voltage battery. < Ref. to HIGH VOLTAGE BATTERY .> | Replace DMCM. < Ref. to appropriate DRIVE MOTOR CONTROL MODULE in Continuously Variable Transmission TH58A article.> |