LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DOTC) (Except STI) >> Drive Cycle >> Procedure >> Drive Cycle C
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Drive Cycle C

DTC Item Condition
P000A A Camshaft Position Slow Response (Bank 1) -
P000B B Camshaft Position Slow Response (Bank 1) -
P000C A Camshaft Position Slow Response (Bank 2) -
P000D B Camshaft Position Slow Response (Bank 2) -
P0011 Intake Camshaft Position - Timing Over-Advanced or System Performance (Bank 1) -
P0014 Exhaust AVCS System 1 (Range/Performance) -
P0021 Intake Camshaft Position - Timing Over-Advanced or System Performance (Bank 2) -
P0024 Exhaust AVCS System 2 (Range/Performance) -
P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1) -
P0068 MAP/MAF - Throttle Position Correlation -
P0087 Fuel Rail/System Pressure - Too Low Complete diagnosis with drive cycle A or B as well.
P0088 Fuel Rail/System Pressure - Too High Complete diagnosis with drive cycle A or B as well.
P0101 Mass or Volume Air Flow Circuit Range/Performance -
P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) -
P013A O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) -
P013B O2 Sensor Slow Response - Lean to Rich (Bank 1 Sensor 2) -
P013E O2 Sensor Delayed Response - Rich to Lean (Bank 1 Sensor 2) -
P013F O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 2) -
P0171 System Too Lean (Bank 1) Complete diagnosis with drive cycle A or B as well.
P0172 System Too Rich (Bank 1) Complete diagnosis with drive cycle A or B as well.
P0191 Fuel Rail Pressure Sensor "A" Circuit Range/Performance Complete diagnosis with drive cycle A or B as well.
P0244 Turbo/Super Charger Wastegate Solenoid "A" Range/Performance -
P0246 Turbo/Super Charger Wastegate Solenoid "A" High -
P0300 Random/Multiple Cylinder Misfire Detected Complete diagnosis with drive cycle A or B as well.
P0301 Cylinder 1 Misfire Detected Complete diagnosis with drive cycle A or B as well.
P0302 Cylinder 2 Misfire Detected Complete diagnosis with drive cycle A or B as well.
P0303 Cylinder 3 Misfire Detected Complete diagnosis with drive cycle A or B as well.
P0304 Cylinder 4 Misfire Detected Complete diagnosis with drive cycle A or B as well.
P0400 Exhaust Gas Recirculation Flow -
P0441 Evaporative Emission Cont. Sys. Incorrect Purge Flow -
P0851 Park/Neutral Switch Input Circuit Low -
P0852 Park/Neutral Switch Input Circuit High -
P113A O2 Sensor Circuit (Open) (Bank1 Sensor2) -
P1449 Evaporative Emission Cont. Sys. Air Filter Clog -
P1459 CPC2 Solenoid Valve (Circuit High) -
P1492 EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input) -
P1493 EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input) -
P1494 EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input) -
P1495 EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input) -
P1496 EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input) -
P1497 EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input) -
P1498 EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input) -
P1499 EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input) -
P2004 Intake Manifold Runner Control Stuck Open (Bank 1) -
P2005 Intake Manifold Runner Control Stuck Open (Bank 2) -
P2096 Post Catalyst Fuel Trim System Too Lean (Bank 1) Complete diagnosis with drive cycle A or B as well.
P2097 Post Catalyst Fuel Trim System Too Rich (Bank 1) Complete diagnosis with drive cycle A or B as well.
P219A Bank 1 Air-Fuel Ratio Imbalance Complete diagnosis with drive cycle B as well.
P2270 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2) -
P2271 O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2) -

Diagnostic procedure: 

  1. Drive according to the drive pattern described below.
    Fig 1: Vehicle Speed Driving Pattern
    G10267502Courtesy of SUBARU OF AMERICA, INC.
  2. Read the temporary code using the Subaru Select Monitor or general scan tool. <Ref. to OPERATION , Read Diagnostic Trouble Code (DTC).>