Battery Control Module (BCM)

DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Action
B1143	Excessive Battery Contactor Close Requests	If other DTCs are also present, ADDRESS them first. If DTC B1143 is the only DTC present, see PINPOINT TEST 10: DTC B1143 - EXCESSIVE BATTERY CONTACTOR CLOSE REQUESTS - HYBRID .
B1342	Electronic Control Unit (ECU) is Faulted	If other DTCs are also present, ADDRESS them first, if not, CLEAR the DTC. CYCLE the key. REPEAT the on-demand self-test. If DTC B1342 returns, INSTALL a new high- voltage traction battery (HVTB). See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID .
B2A4C	Hybrid Battery Current Sensor Implausible (failed in range)	CLEAR the DTC. TURN the ignition to the OFF position. WAIT 20 seconds. START the vehicle then, CARRY OUT the BCM self-test. See SYMPTOM TROUBLESHOOTING CHART - HIGH-VOLTAGE TRACTION BATTERY - HYBRID If DTC B2A4C, P0ABF and/or DTC P0AC0 are set, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID . An intermittent fault is indicated if the BCM self-test does not yield DTCs B2A4C, P0ABF and/or P0AC0. TEST drive the vehicle. REPEAT the self-test. If DTC B2A4C, P0ABF and/or DTC P0AC0 are set again, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID . If no DTCs are retrieved, RETURN the vehicle to the customer. No concern found at this time.
B2172	Inertia Switch Input Circuit Open	If the vehicle has a driveability and/or starting concerns (no start condition/poor engine performance), ADDRESS those concerns first. See the ENGINE CONTROLS - ON-BOARD DIAGNOSTICS -- TRIBUTE for engine diagnosis, then see PINPOINT TEST 5: DTC B2172 - INERTIA FUEL SHUTOFF (IFS) SWITCH INPUT CIRCUIT OPEN - HYBRID .
C1862	Contactor Circuit Failure	See PINPOINT TEST 3: DTC C1862 - CONTACTOR CIRCUIT FAILURE - HYBRID .
P0A0A	High Voltage System Inter-Lock Circuit	See the ENGINE CONTROLS - ON-BOARD DIAGNOSTICS -- TRIBUTE to continue diagnosis.
P0A0C	High Voltage System Inter-Lock Circuit Low	CLEAR the DTC, REPEAT the on-demand self-test. If DTC P0A0C is retrieved again, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID . TEST the system for normal operation.
P0A0E	High Voltage System Inter-Lock Circuit Intermittent	NOTE: An intermittent high-voltage system interlock circuit short or open circuit can cause DTC P0A0E to be set in continuous memory. See PINPOINT TEST 6: DTC P0A0E - HIGH-VOLTAGE SYSTEM INTERLOCK CIRCUIT INTERMITTENT - HYBRID .
P0A1F	Battery Energy Control Module	See PINPOINT TEST 8: DTC P0A1F - BATTERY ENERGY CONTROL MODULE HAS INTERNAL ERRORS - HYBRID .
P0A27	Hybrid Battery Power Off Circuit	If other DTCs are present, ADDRESS them first. If DTC P0A27 is the only DTC present, see PINPOINT TEST 2: DTC P0A27 - HYBRID BATTERY POWER OFF CIRCUIT .
P0A7D	Hybrid Battery Pack State of Charge Low	If the vehicle also has a driveability and/or starting concerns (no start condition/hard start/poor engine performance), ADDRESS those conditions first. Driveability and/or starting concerns may result in hybrid battery pack low state of charge and cause this DTC to be set. See the ENGINE CONTROLS - ON-BOARD DIAGNOSTICS -- TRIBUTE to continue diagnosis, then see PINPOINT TEST 9: DTC P0A7D - HYBRID BATTERY PACK STATE OF CHARGE LOW .
P0A7E	Hybrid Battery Pack Over-Temperature	If any other DTCs are present, ADDRESS them first. If DTC P0A7E is the only DTC present, see PINPOINT TEST 13: DTC P0A7E - HYBRID BATTERY PACK OVER TEMPERATURE .
P0A80	Install a New Hybrid Battery Pack (End of Useful Life)	NOTE: The customer may choose not to install a new battery pack due to the cost of replacement. If a new HVTB is not installed, the customer will experience reduced fuel economy and reduced power, which will eventually lead to a failure of the HVTB. INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID .
P0A81	Hybrid Battery Pack Cooling Fan 1 Control Circuit Failure	See PINPOINT TEST 14: DTC P0A81, P0A98 - HYBRID BATTERY PACK COOLING FANS 1 AND 2 CONTROL CIRCUITS .
P0A8B	14-Volt Power Module System Voltage	See PINPOINT TEST 1: DTC P0A8B, P0A8D AND P0A8E - 14-VOLT POWER MODULE SYSTEM VOLTAGE - HYBRID .
P0A8D	14-Volt Power Module System Voltage Low	See PINPOINT TEST 1: DTC P0A8B, P0A8D AND P0A8E - 14-VOLT POWER MODULE SYSTEM VOLTAGE - HYBRID .
P0A8E	14-Volt Power Module System Voltage High	See PINPOINT TEST 1: DTC P0A8B, P0A8D AND P0A8E - 14-VOLT POWER MODULE SYSTEM VOLTAGE - HYBRID .
P0A95	High-Voltage Fuse	See PINPOINT TEST 4: DTC P0A95 - HIGH-VOLTAGE FUSE - HYBRID .
P0A96	Hybrid Battery Pack Cooling Fan 2 Control Circuit Failure	See PINPOINT TEST 14: DTC P0A81, P0A96 - HYBRID BATTERY PACK COOLING FANS 1 AND 2 CONTROL CIRCUITS .
P0A9B	Hybrid Battery Temperature Sensor Circuit Failure	If DTC P0A9B is retrieved and the powertrain malfunction indicator (yellow wrench light) is on, CLEAR the DTCs and REPEAT the self-test. If DTC P0A9B is retrieved again, and the powertrain malfunction indicator (yellow wrench light) is on, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID . If DTC P0A9B is not retrieved again or if DTC P0A9B is retrieved again and the yellow wrench light is not illuminated, RETURN the vehicle to the customer. No concern found at this time.
P0AAC	Hybrid Battery Pack Air Temperature A Circuit	See CLIMATE CONTROL SYSTEM - HYBRID .
P0AA6	Hybrid Battery Voltage System Isolation Fault	See PINPOINT TEST 7: DTC P0AA6 - HYBRID BATTERY VOLTAGE SYSTEM ISOLATION FAULT .
P0AA7	Hybrid Battery Voltage Isolation Sensor Circuit	CLEAR the DTCs and REPEAT the self-test. If the DTC is still present, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID .
P0ABF	Hybrid Battery Pack Current Sensor Circuit Open	If only DTC P0ABF is retrieved, CLEAR the DTC and RETURN the vehicle to the customer. If DTC P0ABF is retrieved with DTC P0AC0 and the powertrain malfunction indicator (yellow wrench light) illuminated, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID .
P0AC0	Hybrid Battery Pack Current Sensor Circuit Range/Performance	If only DTC P0AC0 is retrieved, CLEAR the DTC and RETURN the vehicle to the customer. If DTC P0AC0 is retrieved with DTC P0ABF and the powertrain malfunction indicator (yellow wrench light) illuminated, INSTALL a new HVTB, See HIGH-VOLTAGE TRACTION BATTERY - HYBRID .
P0AD9	Hybrid Battery Positive Contactor Control Circuit/Open	CLEAR the DTC, REPEAT the self-test. If DTC P0AD9 is retrieved, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID .
P0ADD	Hybrid Battery Negative Contactor Control Circuit/Open	CLEAR the DTC. REPEAT the self-test. If DTC P0AD9 is retrieved, INSTALL a new HVTB. See HIGH-VOLTAGE TRACTION BATTERY REMOVAL/INSTALLATION - HYBRID .
P0AE1	NOTE: This DTC is set by a no-start, caused when the contactor precharge circuit fails and the HVTB contactors do not close. A low 12-volt battery may also cause this DTC, The master vehicle electrical hazard warning lamp (red triangle) in the instrument cluster (IC) will illuminate. This DTC is also set by a fault in the DC/DC enable circuit, the high-voltage bus, eCVT or the DC/AC inverter and high-voltage wiring. Hybrid Battery Precharge Contactor Circuit	See PINPOINT TEST 15: DTC P0AE1 - HYBRID BATTERY PRECHARGE CONTACTOR CIRCUIT .
U0100	Lost Communication With PCM	See PINPOINT TEST 29: DTC U0100 - LOST COMMUNICATION WITH PCM .
U0101	Lost Communication With eCVT TCM	See PINPOINT TEST 42: DTC U0101 - LOST COMMUNICATION WITH TCM - HYBRID .
U0155	Lost Communication With instrument Panel Cluster (IPC) Control Module	See PINPOINT TEST 4: DTC U0155 .
AH Other DTCs	-	See DIAGNOSTIC TROUBLE CODE (DTC) CHART - B, C, P AND U CODES - HYBRID .