Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESLAN COMMUNICATION SYSTEM (DIAGNOSTICS)
2014 Subaru Outback 2.5i, Standard Trans
LAN Communication System (Diagnostics)
2014 Subaru Outback 2.5i, Standard TransSECTION LAN Communication System (Diagnostics)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Subaru Select Monitor
- Read Diagnostic Trouble Code (DTC)
- Clear Memory Mode
- CAN Communication Circuit Check
- Procedure
- List
- Inspection
- Ground Short Inspection (Bus "A" (Main-Can))
- Battery Short Inspection (Bus "A" (Main-Can))
- 56 - 64 Ω
- 55 Ω Or Less
- 62 Ω Or More
- 56 - 64 Ω (TCM)
- Related Lines 56 - 64 Ω (Steering Angle Sensor)
- 56 - 64 Ω (A/C Cm)
- 56 - 64 Ω (Electronic Parking Cm)
- 56 - 64 Ω (Combination Meter)
- 56 - 64 Ω (Security Cm)
- 56 - 64 Ω (Stereo Camera)
- 56 - 64 Ω (Airbag)
- 56 - 64 Ω (Remote Engine Start)
- Ground Short Inspection (Bus "B" (Smart System Can))
- Battery Short Inspection (Bus "B" (Smart System Can))
- 57 - 63 Ω
- 56 Ω Or Less
- 64 Ω Or More
- 57 - 63 Ω (Remote Engine Start)
- List of Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- Communication For Initializing Impossible
- DTC U1201 Can-HS Counter Abnormal
- DTC U1202 Can-HS Bus Off
- DTC U1211 Can-HS ECM Data Abnormal
- DTC U1212 Can-HS TCM Data Abnormal
- DTC U1213 Can-HS VDC Data Abnormal
- DTC U1219 Can-HS EPB Data Abnormal
- DTC U121A Can-HS Meter Unit Data Abnormal
- DTC U121B Can-HS A/C Data Abnormal
- DTC U121C Can-HS SCU Data Abnormal
- DTC U1221 Can-HS ECM No-Receive Data
- DTC U1222 Can-HS TCM No-Receive Data
- DTC U1223 Can-HS VDC No-Receive Data
- DTC U1229 Can-HS EPB No-Receive Data
- DTC U122A Can-HS Meter No-Receive Data
- DTC U122B Can-HS A/C No-Receive Data
- DTC U122C Can-HS SCU No-Receive Data
- DTC U0073 Control Module Communication Bus "A" Off
- 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 U0417 Invalid Data Received From Park Brake Control Module
- DTC U0422 Invalid Data Received From Body Control Module
- DTC U0423 Invalid Data Received From Instrument Panel Cluster Control Module
- DTC U1433 INVALID DATA RECEIVED FROM EyeSight
- DTC U0100 Lost Communication With ECM/Pcm "A"
- DTC U0101 Lost Communication With TCM
- DTC U0122 Lost Communication With Vehicle Dynamics Control Module
- DTC U0128 Lost Communication With Park Brake Control Module
- DTC U0140 Lost Communication With Body Control Module
- DTC U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U1235 LOST COMMUNICATION WITH EyeSight
- DTC U1301 Can-LS Counter Abnormal
- DTC U1302 Can-LS Bus Off
- DTC U1328 Smart System Can (KAC) Data No-Receive
- DTC U1601 Lin Communication (Seat Memory) Failure
- General Diagnostic Table
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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.