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HOMESERVICE MANUALSSUBARU2014IMPREZA SPORT LIMITEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 12 (LAN SYSTEM (DIAGNOSTICS) (HYBRID))LIST OF DIAGNOSTIC TROUBLE CODE (DTC)LISTNOTES
2014 Subaru Impreza Sport Limited
List of Diagnostic Trouble Code (DTC): List: Notes
2014 Subaru Impreza Sport LimitedSECTION Notes
WARNING: This page is about a different car, the 2014 Subaru XV Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | Item | Content of diagnosis | Note |
|---|---|---|---|
| U0073 | Control Module Communication Bus Off | Communication of some module is shut down. | < Ref. to DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0075 | Control Module Communication Bus "PU-CAN" Off | Communication of some module is shut down. | < Ref. to DTC U0075 CONTROL MODULE COMMUNICATION BUS "PU-CAN" OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0076 | Control Module Communication Bus "HEV-CAN" Off | Communication of some module is shut down. | < Ref. to DTC U0076 CONTROL MODULE COMMUNICATION BUS "HEV-CAN" OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0100 | Lost Communication With ECM/PCM "A" | Data does not arrive from ECM. | < Ref. to DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0101 | Lost Communication With TCM | Data does not arrive from TCM. | < Ref. to DTC U0101 LOST COMMUNICATION WITH TCM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0110 | Lost Communication With Drive Motor Control Module "A" | Data does not arrive from DMCM. | < Ref. to DTC U0110 LOST COMMUNICATION WITH DRIVE MOTOR CONTROL MODULE "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0111 | Lost Communication With Battery Energy Control Module | Data does not arrive from BECM (high voltage battery). | < Ref. to DTC U0111 LOST COMMUNICATION WITH BATTERY ENERGY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0122 | Lost Communication With Vehicle Dynamics Control Module | Data does not arrive from VDC module. | < Ref. to DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0126 | Lost Communication With Steering Angle Sensor Module | Data does not arrive from steering angle sensor. | < Ref. to DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0131 | Lost Communication With Power Steering Control Module | Data does not arrive from EPS module. | < Ref. to DTC U0131 LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0140 | Lost Communication With Body Control Module | Data does not arrive from body integrated unit. | < Ref. to DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0151 | Lost Communication With Restraints Control Module | Data does not arrive from airbag module. | < Ref. to DTC U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module | Data does not arrive from meter. | < Ref. to DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0164 | Lost Communication With HVAC Control Module | Data does not arrive from A/C control panel. | < Ref. to DTC U0164 LOST COMMUNICATION WITH HVAC CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0287 | Lost Communication With Transmission Fluid Pump Module | Data does not arrive from electric oil pump. | < Ref. to DTC U0287 LOST COMMUNICATION WITH TRANSMISSION FLUID PUMP MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0293 | Lost Communication With Hybrid Powertrain Control Module | Data does not arrive from HPCM. | < Ref. to DTC U0293 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0327 | Software Incompatibility With Vehicle Security Control Module | Data does not arrive from keyless access Control Module. | < Ref. to DTC U0327 SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0401 | Invalid Data Received From ECM/PCM "A" | Error data is received from ECM. | < Ref. to DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0402 | Invalid Data Received From TCM | Error data is received from TCM. | < Ref. to DTC U0402 INVALID DATA RECEIVED FROM TCM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0411 | Invalid Data Received From Drive Motor Control Module "A" | Error data is received from DMCM. | < Ref. to DTC U0411 INVALID DATA RECEIVED FROM DRIVE MOTOR CONTROL MODULE "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0412 | Invalid Data Received From Battery Energy Control Module | Error data is received from BECM (high voltage battery). | < Ref. to DTC U0412 INVALID DATA RECEIVED FROM BATTERY ENERGY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0416 | Invalid Data Received From Vehicle Dynamics Control Module | Error data is received from VDC module.< Ref. to DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE , | Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0420 | Invalid Data Received From Power Steering Control Module | Error data is received from EPS module. | < Ref. to DTC U0420 INVALID DATA RECEIVED FROM POWER STEERING CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0422 | Invalid Data Received From Body Control Module | Error data is received from body integrated unit. | < Ref. to DTC U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0423 | Invalid Data Received From Instrument Panel Cluster Control Module | Error data is received from combination meter. | < Ref. to DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0424 | Invalid Data Received From HVAC Control Module | Error data is received from A/C control panel. | < Ref. to DTC U0424 INVALID DATA RECEIVED FROM HVAC CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0427 | Invalid Data Received From Vehicle Security Control Module | Error data is received from keyless access Control Module. | < Ref. to DTC U0427 INVALID DATA RECEIVED FROM VEHICLE SECURITY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0428 | Invalid Data Received From Steering Angle Sensor Module | Error data is received from steering angle sensor. | < Ref. to DTC U0428 INVALID DATA RECEIVED FROM STEERING ANGLE SENSOR MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0452 | Invalid Data Received From Restraints Control Module | Error data is received from airbag module. | < Ref. to DTC U0452 INVALID DATA RECEIVED FROM RESTRAINTS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0588 | Invalid Data Received From Transmission Fluid Pump Module | Error data is received from electric oil pump. | < Ref. to DTC U0588 INVALID DATA RECEIVED FROM TRANSMISSION FLUID PUMP MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0594 | Invalid Data Received From Hybrid Powertrain Control Module | Error data is received from HPCM. | < Ref. to DTC U0594 INVALID DATA RECEIVED FROM HYBRID POWERTRAIN CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1100 | Lost Communication With ECM/PCM PU-CAN | Data does not arrive from ECM. | < Ref. to DTC U1100 LOST COMMUNICATION WITH ECM/PCM PU-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1101 | Lost Communication With TCM PU-CAN | Data does not arrive from TCM. | < Ref. to DTC U1101 LOST COMMUNICATION WITH TCM PU-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1120 | Lost Communication With Autostart Stop Control Module | Data does not arrive from HPCM. | < Ref. to DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1201 | CAN-HS Counter Abnormal | CAN communication error | < Ref. to DTC U1201 CAN-HS COUNTER ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1290 | Lost Communication With Hybrid Powertrain Control Module HEV-CAN | Data does not arrive from HPCM. | < Ref. to DTC U1290 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE HEV-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1293 | Lost Communication With Hybrid Powertrain Control Module PU-CAN | Data does not arrive from HPCM. | < Ref. to DTC U1293 LOST COMMUNICATION WITH HYBRID POWERTRAIN CONTROL MODULE PU-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1401 | Invalid Data Received From ECM/PCM PU-CAN | Error data is received from ECM. | < Ref. to DTC U1401 INVALID DATA RECEIVED FROM ECM/PCM PU-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1402 | Invalid Data Received From TCM PU-CAN | Error data is received from TCM. | < Ref. to DTC U1402 INVALID DATA RECEIVED FROM TCM PU-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1469 | Invalid Data Received From Autostart Stop Control Module | Error data is received from HPCM. | < Ref. to DTC U1469 INVALID DATA RECEIVED FROM AUTOSTART STOP CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1591 | Invalid Data Received From Hybrid Powertrain Control Module HEV-CAN | Error data is received from HPCM. | < Ref. to DTC U1591 INVALID DATA RECEIVED FROM HYBRID POWERTRAIN CONTROL MODULE HEV-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U1594 | Invalid Data Received From Hybrid Powertrain Control Module PU-CAN | Error data is received from HPCM. | < Ref. to DTC U1594 INVALID DATA RECEIVED FROM HYBRID POWERTRAIN CONTROL MODULE PU-CAN , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.