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.
2010 Subaru Outback RFACTORY OEM SERVICE PROCEDURE
Body Control System (Diagnostics) DTCS
BODY CONTROL SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Contents | Content of diagnosis | Note |
|---|---|---|---|
| None | Communication for Initializing Impossible | Subaru Select Monitor communication is open or shorted. | Ref. to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1100 | Integ. Unit System Error | Body integrated unit internal error | Ref. to DTC B1100 INTEG. UNIT SYSTEM ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1101 | BATT p/supply malfunction cont. | Open or short in battery power supply control circuit | Ref. to DTC B1101 BATT P/SUPPLY MALFUNCTION CONT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1102 | BATT p/supply malfunction backup | Battery power supply backup circuit is open or shorted. | Ref. to DTC B1102 BATT P/SUPPLY MALFUNCTION BACKUP , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1103 | Ignition power failure | IGN power supply circuit is open or shorted. | Ref. to DTC B1103 IGNITION POWER FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1104 | ACC power failure | ACC power supply circuit is open or shorted. | Ref. to DTC B1104 ACC POWER FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1106 | shift lock circuit Failure | Ground short of shift lock circuit | Ref. to DTC B1106 SHIFT LOCK CIRCUIT FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1401 | M Collation NG | Malfunction related immobilizer | Ref. to DTC B1401 M COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1402 | Immobilizer Key Collation NG | Malfunction related immobilizer | Ref. to DTC B1402 IMMOBILIZER KEY COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1403 | E/G request NG | Malfunction related immobilizer | Ref. to DTC B1403 E/G REQUEST NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1405 | SCU Collation NG | Malfunction related immobilizer | Ref. to DTC B1405 SCU COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1406 | SCU_EEPROM_NG | Malfunction related immobilizer | Ref. to DTC B1406 SCU_EEPROM_NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| B1500 | Keyless UART com. Malfunction | Open or short circuit in keyless UART circuit | Ref. to DTC B1500 KEYLESS UART COM. MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
Factory Service Tools
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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.
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