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.
2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Power Seat Memory System (Diagnostics)
- Basic Diagnostic Procedure
- Check List For Interview
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Inspection Mode
- Diagnostic Procedure For Subaru Select Monitor Communication
- Data Monitor
- Freeze Frame Data
- Active Test
- Customize
- Work Support
- Diagnostic Trouble Code (DTC)
- Diagnostic Procedure With Diagnostic Trouble Code (DTC)
- DTC B2602: Vehicle Speed Control
- DTC B2603: EPB Control
- DTC B2604: Power Seat Memory EEPROM
- DTC B2605: Battery Control Low
- DTC B2606: Power Seat Position Sensor Circuit Low
- DTC B2607: Seat Motor Relay Failure
- DTC B2608: Seat SW Failure
- DTC B2609: IG
- DTC B260B: Seat Position Gap
- DTC B260C: Control Module Communication Stuck
- DTC U0074: Control Module Communication Bus "Body-Can" Off
- DTC U0100: Lost Communication With ECM/Pcm "A"
- 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 U0162: Lost Communication With Audio Visual Navigation Display 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 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 U0463: Invalid Data Received From Navigation Display Module
- DTC U0555: Invalid Data Received From Remote Start Module
- DTC U122E: Lost Communication With Driver Side Mirror Module
- DTC U122F: Lost Communication With Passenger Side Mirror Module
- DTC U143A: Invalid Data Received From Driver Monitoring System
- DTC U1499: Invalid Data Received From Telematics System
- DTC U152F: Invalid Data Received From Driver Side Mirror Module
- DTC U1530: Invalid Data Received From Passenger Side Mirror Module
- Diagnostics With Phenomenon
Factory Service Tools
Use the Manual With the Right Hardware
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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.