Failure counter diagnosis of engine control module (ECM)
Note. Perform check of the ECM. < Ref. to PROCEDURE , Basic Diagnostic Procedure. >
Home/Subaru/Forester/Subaru Forester SJ (2012-2015)/Repair manual/Collision/avoidance/DTC U0401: INVALID DATA RECEIVED FROM ECM/PCM "A"
Contents
Wiring diagrams Section: Collision/avoidance- Eyesight System (Diagnostics): Overview
- Eyesight System (Diagnostics): Adjustments
- Eyesight System (Diagnostics): Diagnosis
- Eyesight System (Diagnostics): Wiring
- Eyesight System (Diagnostics): Component Locations
- Eyesight System (Diagnostics): Other
- DTC U0073: CONTROL MODULE COMMUNICATION BUS "A" OFF
- DTC U0100: LOST COMMUNICATION WITH ECM/PCM "A"
- DTC U0101: LOST COMMUNICATION WITH TCM
- DTC U0122: LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
- DTC U0140: LOST COMMUNICATION WITH BODY CONTROL MODULE
- DTC U0155: LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE
- DTC U0401: INVALID DATA RECEIVED FROM ECM/PCM "A"
- DTC U0402: INVALID DATA RECEIVED FROM TCM
- DTC U0416: INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE
- DTC U0422: INVALID DATA RECEIVED FROM BODY CONTROL MODULE
- DTC U0423: INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE
- DTC U1001: CAN-HS ABNORMAL
- DTC B2801: TCM ABNORMAL
- DTC B2802: ETC ABNORMAL
- DTC B2805: BIU ABNORMAL
- DTC B2806: ECM ABNORMAL
- DTC B2807: ECM ABNORMAL
- DTC B2809: VDC ABNORMAL
- DTC B2810: METER ABNORMAL
- DTC B2813: BRAKE SWITCH ABNORMAL
- DTC B2814: POWER SUPPLY VOLT ERROR
- DTC B2815: POWER SUPPLY VOLT ERROR
- Eyesight System (Service Information): Overview
- Eyesight System (Service Information): Adjustments
- Eyesight System (Service Information): Diagnosis
- Eyesight System (Service Information): Removal & Installation
- Eyesight System (Service Information): Wiring
- Eyesight System (Service Information): Other
- Abbreviations
- Airbag
- Anti-Lock/traction Control
- Automatic HVAC System
- Automatic Trans
- Auxiliary Emission Control Systems
- Axle Shafts
- Basic Trouble Shooting
- Body Electrical
- Brakes
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Collision/avoidance
- Communication Devices
- Cooling Fan
- Cooling System (Mechanical)
- Cruise Control Systems
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Driveline/axles
- Driveshaft & Universal Joints
- DTC Index
- Emission Applications
- Engine
- Engine Control Systems
- Engine Performance
- Entertainment Systems
- Exhaust
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Fuel System
- Gauges & Instrument Panels
- Hoist/jack
- Horns
- Identification
- Ignition System
- Lubrication System
- Manual & Power Steering
- Manual HVAC System
- Manual Trans
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Parking Brake System
- Passive Restraints
- Reset Procedures
- Restraints Control Systems
- Seats
- Steering
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Traction Control Disable
- Transfer Case
- Transmission
- Wheel & Tire System
- Wheel Alignment
- Windows
- Wiper/washer Systems