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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (2.0L) >> Drive Cycle >> Procedure >> Drive Cycle B
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Drive Cycle B

DTC Item Condition
P0087 Fuel Rail/System Pressure - Too Low Bank 1 Complete diagnosis with drive cycle A or C as well.
P0088 Fuel Rail/System Pressure - Too High Bank 1 Complete diagnosis with drive cycle A or C as well.
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control «Coolant Temp.» at engine start: Less than -15°C (5°F)
P0130 A/F/O2 Sensor Circuit Bank 1 Sensor 1 -
P0137 O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 -
P0138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2 -
P0171 System Too Lean Bank 1 Complete diagnosis with drive cycle A or C as well.
P0172 System Too Rich Bank 1 Complete diagnosis with drive cycle A or C as well.
P0300 Random/Multiple Cylinder Misfire Detected Complete diagnosis with drive cycle A or C as well.
P0301 Cylinder 1 Misfire Detected Complete diagnosis with drive cycle A or C as well.
P0302 Cylinder 2 Misfire Detected Complete diagnosis with drive cycle A or C as well.
P0303 Cylinder 3 Misfire Detected Complete diagnosis with drive cycle A or C as well.
P0304 Cylinder 4 Misfire Detected Complete diagnosis with drive cycle A or C as well.
P0500 Vehicle Speed Sensor "A" Circuit -
P0506 Idle Control System RPM - Lower Than Expected -
P0507 Idle Control System RPM - Higher Than Expected -
P062D Fuel Injector Driver Circuit Performance Bank 1 -
P0700 Transmission Control System (MIL Request) -
P1191 Fuel Rail Pressure Sensor "A" Circuit No Activity Detected Complete diagnosis with drive cycle A or C as well.
P1261 Cylinder 1 Direct Fuel Injector Circuit/Open -
P1262 Cylinder 2 Direct Fuel Injector Circuit/Open -
P1263 Cylinder 3 Direct Fuel Injector Circuit/Open -
P1264 Cylinder 4 Direct Fuel Injector Circuit/Open -
P2006 TGV Control Stuck Closed Bank 1 -
P2007 TGV Control Stuck Closed Bank 2 -
P2096 Post Catalyst Fuel Trim System Too Lean Bank 1 Complete diagnosis with drive cycle A or C as well.
P2097 Post Catalyst Fuel Trim System Too Rich Bank 1 Complete diagnosis with drive cycle A or C as well.

Diagnostic procedure: 

  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. <Ref. to OPERATION , Read Diagnostic Trouble Code (DTC).>