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Home >> Subaru >> 2017 >> Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (H4DO) >> Drive Cycle >> Procedure >> Drive Cycle B
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Drive Cycle B

DTC Item Condition
*P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL «Coolant Temp.» at engine start: Less than -15°C (5°F)
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 -
P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST) -
*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.