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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 278 (Engine Controls (H4DO) (Diagnostics - Introduction)) >> Drive Cycle >> Procedure >> Drive Cycle B

Drive Cycle B

WARNING: This page is about a different car, the 2016 Subaru Outback and 2016 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
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 -
P059A ACTIVE GRILLE AIR SHUTTER "A" POSITION SENSOR CIRCUIT «Ambient Temperature»: 3 - 33°C (37.4 - 91.4°F)
P059F ACTIVE GRILLE AIR SHUTTER "A" PERFORMANCE/STUCK OFF
P05A0 ACTIVE GRILLE AIR SHUTTER "A" STUCK ON
P05A1 ACTIVE GRILLE AIR SHUTTER "A" POSITION SENSOR MINIMUM/MAXIMUM STOP PERFORMANCE
P05A2 ACTIVE GRILLE AIR SHUTTER "A" CONTROL CIRCUIT/OPEN
P05A6 ACTIVE GRILLE AIR SHUTTER "A" SUPPLY VOLTAGE CIRCUIT/OPEN
P05C0 ACTIVE GRILLE AIR SHUTTER MODULE "A" OVER TEMPERATURE
P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST) -
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). >