OBD2 Trouble Codes

HO2S Insufficient Switching Bank 2 Sensor 1

Air/Fuel Sensor Heater Circuit Response – Bank 2, Sensor 1

Air/Fuel Ratio (A/F) Sensor 1 Range/Performance Problem

Air/Fuel Ratio (A/F) Sensor 1 AFS+ Terminal Low Voltage

Air/Fuel Ratio Sensor 1 Heater Circuit Malfunction

Air/Fuel Ratio Sensor 1 Heater System Malfunction

Closed Loop Control Function Bank 2

O2 Sensor Heater Control Circuit — Bank 1 Sensor 2

Fuel Control Bank 1 Sensor 1 — Lean Limit Exceeded

ABS/TCS Control Unit Communication Malfunction

Engine Over Temperature

Fuel Pump Driver Module Disabled or Offline

Fuel Pump Control Out of Range

Fuel Pressure Regulator Control Solenoid Valve Circuit Malfunction

Engine Coolant Overtemperature — Protection Mode Active

VTEC System Malfunction

Theft Detected — Vehicle Immobilized (PATS)

Engine Is Cold Too Long

Fuel Pump Relay Control Circuit Condition

Cylinder Head Temperature Sensor Out of Self-Test Range

Cylinder Head Temperature Sensor Circuit High Input

Engine Cooling System Malfunction — Temperature Not Reached

Cylinder Head Overtemperature Protection Active

Igniter Circuit Malfunction No. 1

Igniter Circuit Malfunction No. 3

Ignition Signal Primary

Crankshaft Position Sensor (REF Signal Circuit)

Crankshaft Position Sensor (Learned Value Not Stored)

Crankshaft Position — Camshaft Position Correlation

VVT Sensor / Camshaft Position Sensor Circuit Range/Performance – Bank 1

VANOS Intake Camshaft Timing Control Fault — Bank 1

VVT Sensor / Camshaft Position Sensor Circuit Range/Performance – Bank 2

Variable Valve Timing System Malfunction – Bank 2

Ignition Control (IC) Circuit Low Voltage

Top Dead Center (TDC) Sensor 1 No Signal

Misfire Detected — Rough Road Data Not Available

Cylinder Position (CYP) Sensor Intermittent Interruption

Cylinder Position (CYP) Sensor 1 No Signal

Knock Sensor 3 Circuit — Signal Malfunction

Internal Control Module — Drive By Wire Monitoring Error

No Auto Shutdown (ASD) Relay Output Voltage at PCM

CMP or CKP Signal Intermittent Condition

Camshaft Position Sensor Signal — Cylinder Reference Error

Misfire Adaptive Numerator at Limit

Random Cylinder Misfire Detected

EGRC Solenoid Valve Circuit Malfunction

Exhaust Gas Recirculation (EGR) Closed Position Performance

Secondary Air Injection (AIR) System Bank 2

EVAP Emission Control System — Purge Valve Stuck Open

EVAP System Flow During Non-Purge Condition

EVAP Canister Purge Volume Control Valve

EVAP Canister Vent Control Valve Closed

EVAP Canister Vent Control Valve Open

Unable to Bleed Up Fuel Tank Vacuum

EVAP Control System Canister Vent Solenoid Circuit Malfunction

EVAP Emission Control System Leakage (Fuel Tank Side)

EVAP Emission Control System Leakage (EVAP Canister Side)

Wide Open Throttle Air Conditioning Cutoff Circuit Malfunction

Low Air Conditioning Cycling Period

EVAP Leak Monitor — Pinched Hose Found