DTC P0AC3: Hybrid Battery Pack Current Sensor "A" Circuit Intermittent/Erratic: 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.

(Engine does not restart under EV traveling/Auto Start Stop condition.)

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. Drive motor control system < Ref. to DRIVE MOTOR CONTROL SYSTEM , OPERATION, Read Diagnostic Trouble Code (DTC).>	Are any other DTCs 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 CURRENT DATA. Perform the Clear Memory Mode. < Ref. to HYBRID POWERTRAIN CONTROL SYSTEM , OPERATION, Clear Memory Mode.> Start the engine. Using the Subaru Select Monitor, confirm the current data of battery energy control system, the value of «High Voltage Battery Amperage Sensor Output». < Ref. to BATTERY ENERGY CONTROL SYSTEM , OPERATION, Read Current Data.>	Is the value 1 A or more? (When ignition is ON)	Replace the high voltage battery. < Ref. to HIGH VOLTAGE BATTERY .>	Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again. NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.