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.
List Of AUTOSTART Cancel Code
| Autostart cancel code | Item | Contents of diagnosis | Note | Reference | ||
|---|---|---|---|---|---|---|
| 03 | Hood open | Detected that the front hood lock is released during Auto Start Stop operation. |
|
Ref. to AUTO START STOP (DIAGNOSTICS)>AUTOSTART CANCEL CODE(S) DISPLAY>INSPECTION>03 HOOD OPEN . | ||
| 06 | Start failure | Starting failure is detected when the system restarts the engine. |
|
Ref. to AUTO START STOP (DIAGNOSTICS)>AUTOSTART CANCEL CODE(S) DISPLAY>INSPECTION>06 STARTABILITY MALFUNCTION . | ||
| 07 | Starting circuit failure | Detected that the engine does not rotate when the system restarts the engine. |
|
Ref. to AUTO START STOP (DIAGNOSTICS)>AUTOSTART CANCEL CODE(S) DISPLAY>INSPECTION>07 STARTER CIRCUIT FAILURE . | ||
| 09 | EyeSight malfunction(1) | EyeSight malfunction is detected while the EyeSight system automatically stops the vehicle and during Auto Start Stop operation. | EyeSight system failure | Ref. to AUTO START STOP (DIAGNOSTICS)>AUTOSTART CANCEL CODE(S) DISPLAY>INSPECTION>09 EyeSight FAILURE . | ||
| 0A | CAN communication failure(1) | CAN communication error is detected while the EyeSight system automatically stops the vehicle and during Auto Start Stop operation. | CAN communication error | Ref. to AUTO START STOP (DIAGNOSTICS)>AUTOSTART CANCEL CODE(S) DISPLAY>INSPECTION>0A CAN COMMUNICATION FAILURE . | ||
| 0B | CAN communication failure (engine control module) | CAN communication error is detected in ECM during Auto Start Stop. | CAN communication error in ECM | Ref. to AUTO START STOP (DIAGNOSTICS)>AUTOSTART CANCEL CODE(S) DISPLAY>INSPECTION>0B ECM CAN COMMUNICATION FAILURE . | ||
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- To clear the autostart cancel codes, clear the memory using Subaru Select Monitor. Ref. to COMMON (DIAG)>CLEAR MEMORY .
- Up to five autostart cancel codes can be stored. If five or more autostart cancel codes occur, codes will be deleted from the oldest one.
- If autostart cancel codes are not stored, the ignition switch may have been quickly turned from OFF to ON during Auto Start Stop. Or, it is possible that temporary poor contact occurs in the ignition power supply circuit.
- Autostart cancel code 03 will be stored even when canceled by the user operation. Check the time of occurrence and time stamp by interviewing customers.
- Autostart cancel codes 06 and 07 will be stored when the restart cannot be activated by the system during Auto Start Stop.
If autostart cancel codes are not stored, perform reading of the TCM diagnostic codes to check if DTC P0604, P0605 and P0613 is displayed. Ref. to TRANSMISSION (DIAGNOSTICS) (CROSSTREK MODEL)>DIAGNOSTIC TROUBLE CODE (DTC) . Also perform reading of the ECM diagnostic codes to check if DTC P1603 and DTC P1604 are displayed. Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.5)>DIAGNOSTIC TROUBLE CODE (DTC) . Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.0 (EXCEPT FOR HEV))>DIAGNOSTIC TROUBLE CODE (DTC) .
When any DTC is detected, perform the diagnosis according to the DTC. Ref. to TRANSMISSION (DIAGNOSTICS) (CROSSTREK MODEL)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST . Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.5)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST . Ref. to ENGINE (DIAGNOSTICS) (H4DO 2.0 (EXCEPT FOR HEV))>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .
If DTC is not detected, a temporary poor contact of the battery terminal, TCM connector or ECM connector may be the cause.
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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.