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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.0L) - Introduction >> Drive Cycle >> Procedure >> Drive Cycle B
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Drive Cycle B

DTC Item Condition Number of driving cycles on the detecting condition
P0087 FUEL RAIL/SYSTEM PRESSURE - TOO LOW BANK 1 Complete diagnosis with drive cycle A as well. 1
P0088 FUEL RAIL/SYSTEM PRESSURE - TOO HIGH BANK 1 Complete diagnosis with drive cycle A as well. 1
P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL «Coolant Temp.» at engine start: Less than -15°C (5°F) 2
P0130 A/F/O2 SENSOR CIRCUIT 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 drive cycle A as well. 2
P0172 SYSTEM TOO RICH BANK 1 Complete diagnosis with drive cycle A as well. 2
P0300 RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED Complete diagnosis with drive cycle A as well. 2
P0301 CYLINDER 1 MISFIRE DETECTED Complete diagnosis with drive cycle A as well. 2
P0302 CYLINDER 2 MISFIRE DETECTED Complete diagnosis with drive cycle A as well. 2
P0303 CYLINDER 3 MISFIRE DETECTED Complete diagnosis with drive cycle A as well. 2
P0304 CYLINDER 4 MISFIRE DETECTED Complete diagnosis with drive cycle 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
P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST) - 1
P0851 PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW CVT model 2
P0852 PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH CVT model 2
P1191 FUEL RAIL PRESSURE SENSOR "A" CIRCUIT NO ACTIVITY DETECTED Complete diagnosis with drive cycle A as well. 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
P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1 Complete diagnosis with drive cycle A as well. 2
P2097 POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1 Complete diagnosis with drive cycle A as well. 2
  1. Drive at 10 km/h (6 MPH) or more.
  2. Stop the vehicle and idle for ten minutes.
  3. Read the temporary code using the Subaru Select Monitor or general scan tool. Refer to ENGINE (DIAGNOSTICS) (W/O STI)>READ DIAGNOSTIC TROUBLE CODE (DTC)>OPERATION .
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