P0A1D-390

L110 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A1D-390: Hybrid Powertrain Control Module

DTC P0A1D-390 - Hybrid Powertrain Control Module

DESCRIPTION

The hybrid vehicle control ECU monitors its internal operation and detects malfunctions.






MONITOR DESCRIPTION

When the hybrid vehicle control ECU detects that the HV battery has received too much charge, the hybrid vehicle control ECU will illuminate the MIL and set a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Read the output DTCs.
(e) Read the freeze frame data of P0A1D-390.
Result:






B -- REPLACE HYBRID VEHICLE CONTROL ECU
A -- Continue to next step.
2. CHECK DTC OUTPUT (HV)
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
(d) Check if DTCs are output.
Result:






B -- GO TO DTC CHART
A -- REPLACE HYBRID VEHICLE CONTROL ECU
3. REPLACE HYBRID VEHICLE CONTROL ECU
(a) Replace the hybrid vehicle control ECU Components.
NEXT -- Continue to next step.
4. REPLACE HV BATTERY
(a) Replace the HV battery Components.
NEXT -- Continue to next step.
5. REPLACE BATTERY SMART UNIT
(a) Replace the battery smart unit Components.
NEXT -- COMPLETED