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 MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (ENGINE CONTROL SYSTEM (2.5L) (DIAGNOSTICS) - INTRODUCTION)INSPECTION MODEPROCEDUREINSPECTION MODE B
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Inspection Mode B
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection Mode B
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | Description and trouble part | Condition | Number of driving cycles on the detecting condition |
|---|---|---|---|
| P0087 | FUEL RAIL/SYSTEM PRESSURE - TOO LOW BANK 1 | Complete diagnosis with inspection mode A as well. | 1 |
| P0088 | FUEL RAIL/SYSTEM PRESSURE - TOO HIGH BANK 1 | Complete diagnosis with inspection mode A as well. | 1 |
| P0134 | A/F/O2 SENSOR CIRCUIT NO ACTIVITY DETECTED BANK 1 SENSOR 1 | - | 1 |
| P0137 | O2 SENSOR CIRCUIT LOW VOLTAGE BANK 1 SENSOR 2 | - | 2 |
| P0138 | O2 SENSOR CIRCUIT HIGH VOLTAGE BANK 1 SENSOR 2 | - | 2 |
| P0140 | O2 SENSOR CIRCUIT NO ACTIVITY DETECTED BANK 1 SENSOR 2 | - | 2 |
| P0171 | SYSTEM TOO LEAN BANK 1 | Complete diagnosis with inspection mode A as well. | 2 |
| P0172 | SYSTEM TOO RICH BANK 1 | Complete diagnosis with inspection mode A as well. | 2 |
| P0300 | RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED | Complete diagnosis with inspection mode A as well. | 2 |
| P0301 | CYLINDER 1 MISFIRE DETECTED | Complete diagnosis with inspection mode A as well. | 2 |
| P0302 | CYLINDER 2 MISFIRE DETECTED | Complete diagnosis with inspection mode A as well. | 2 |
| P0303 | CYLINDER 3 MISFIRE DETECTED | Complete diagnosis with inspection mode A as well. | 2 |
| P0304 | CYLINDER 4 MISFIRE DETECTED | Complete diagnosis with inspection mode A as well. | 2 |
| P0500 | VEHICLE SPEED SENSOR "A" CIRCUIT | - | 1 |
| P0506 | IDLE CONTROL SYSTEM RPM - LOWER THAN EXPECTED | - | 2 |
| P0507 | IDLE CONTROL SYSTEM RPM - HIGHER THAN EXPECTED | - | 2 |
| P062D | FUEL INJECTOR DRIVER CIRCUIT PERFORMANCE BANK 1 | - | 1 |
| P0851 | PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW | - | 2 |
| P0852 | PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH | - | 2 |
| P1261 | CYLINDER 1 DIRECT FUEL INJECTOR CIRCUIT/OPEN | - | 1 |
| P1262 | CYLINDER 2 DIRECT FUEL INJECTOR CIRCUIT/OPEN | - | 1 |
| P1263 | CYLINDER 3 DIRECT FUEL INJECTOR CIRCUIT/OPEN | - | 1 |
| P1264 | CYLINDER 4 DIRECT FUEL INJECTOR CIRCUIT/OPEN | - | 1 |
| P162A | STARTER INTERLOCK INTERNAL CIRCUIT | - | 1 |
| P2096 | POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1 | Complete diagnosis with inspection mode A as well. | 2 |
| P2097 | POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1 | Complete diagnosis with inspection mode A as well. | 2 |
WARNING:
When performing inspection mode B on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.
RENDER: 1.0x
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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.