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.
2016 Subaru Outback 2.5iFACTORY OEM SERVICE PROCEDURE
Engine Controls (H4DO) (Diagnostics) (3 Of 4)
- DTC P0461 Fuel Level Sensor "A" Circuit Range/Performance
- DTC P0462 Fuel Level Sensor "A" Circuit Low
- DTC P0463 Fuel Level Sensor "A" Circuit High
- DTC P0500 Vehicle Speed Sensor "A" Circuit
- DTC P0506 Idle Control System Rpm - Lower Than Expected
- DTC P0507 Idle Control System Rpm - Higher Than Expected
- DTC P050A Cold Start Idle Control System Performance
- DTC P050B Cold Start Ignition Timing Performance
- DTC P0512 Starter (Switch) Request Circuit
- DTC P0560 System Voltage
- DTC P059A Active Grille Air Shutter "A" Position Sensor Circuit
- DTC P059F Active Grille Air Shutter "A" Performance/Stuck Off
- DTC P05A0 Active Grille Air Shutter "A" Stuck On
- DTC P05A1 Active Grille Air Shutter "A" Position Sensor Minimum/Maximum Stop Performance
- DTC P05A2 Active Grille Air Shutter "A" Control Circuit/Open
- DTC P05A6 Active Grille Air Shutter "A" Supply Voltage Circuit/Open
- DTC P05C0 Active Grille Air Shutter Module "A" Over Temperature
- DTC P0604 Internal Control Module Random Access Memory (Ram) Error
- DTC P0605 Internal Control Module Read Only Memory (ROM) Error
- DTC P0606 Control Module Processor
- DTC P060A Internal Control Module Monitoring Processor Performance
- DTC P060B Internal Control Module A/D Processing Performance
- DTC P0616 Starter Relay "A" Circuit Low
- DTC P0617 Starter Relay "A" Circuit High
- DTC P062F Internal Control Module EEPROM Error
- DTC P0685 ECM/Pcm Power Relay Control Circuit/Open
- DTC P0700 Transmission Control System (Mil Request)
- DTC P081A Starter Disable Circuit Low
- DTC P0851 Park/Neutral Switch Input Circuit Low
- DTC P0852 Park/Neutral Switch Input Circuit High
- DTC P1160 Throttle Return Spring
- DTC P1449 EVAP System Clog Detected (Air Filter)
- DTC P1451 EVAP System Clog Detected (Pipe)
- DTC P1492 Coil 1 EGR "A" Control Circuit Low
- DTC P1493 Coil 1 EGR "A" Control Circuit High
- DTC P1494 Coil 2 EGR "A" Control Circuit Low
- DTC P1495 Coil 2 EGR "A" Control Circuit High
- DTC P1496 Coil 3 EGR "A" Control Circuit Low
- DTC P1497 Coil 3 EGR "A" Control Circuit High
- DTC P1498 Coil 4 EGR "A" Control Circuit Low
- DTC P1499 Coil 4 EGR "A" Control Circuit High
- DTC P1603 Engine Stall History
- DTC P1604 STARTABILITY Malfunction
- DTC P1C00 Battery Monitor Module "A" Performance
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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