Carvico OBD-II
Carvico/OBD-II
Diagnostic Trouble Codes

OBD-II Trouble Code Database

When your Check Engine light comes on, plug in an OBD2 scanner and match the code below. We break down what broke, whether you can keep driving, and what it should cost to fix across 150+ trouble codes.

Code Meaning Severity Est. Cost
P0010 Camshaft Position Actuator Circuit (Bank 1) Moderate $120 – $350
P0011 Camshaft Position 'A' Timing Over-Advanced (Bank 1) Moderate to High $120 – $1,200
P0012 Camshaft Position 'A' Timing Over-Retarded (Bank 1) Moderate to High $120 – $1,100
P0013 Exhaust Camshaft Position Actuator Circuit (Bank 1) Moderate $110 – $320
P0014 Exhaust Camshaft Position 'B' Timing Over-Advanced (Bank 1) Moderate to High $120 – $1,100
P0015 Exhaust Camshaft Position 'B' Timing Over-Retarded (Bank 1) Moderate to High $120 – $1,100
P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) High $250 – $1,800
P0017 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B) High $250 – $1,800
P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A) High $300 – $2,000
P0019 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor B) High $300 – $2,000
P0020 Camshaft Position Actuator Circuit (Bank 2) Moderate $120 – $350
P0021 Intake Camshaft Position Timing Over-Advanced (Bank 2) Moderate to High $120 – $1,200
P0022 Intake Camshaft Position Timing Over-Retarded (Bank 2) Moderate to High $120 – $1,100
P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1) Moderate $120 – $350
P0031 HO2S Heater Control Circuit Low (Bank 1 Sensor 1) Moderate $120 – $350
P0036 HO2S Heater Control Circuit (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0050 HO2S Heater Control Circuit (Bank 2 Sensor 1) Moderate $120 – $350
P0056 HO2S Heater Control Circuit (Bank 2 Sensor 2) Low to Moderate $100 – $280
P0100 Mass or Volume Air Flow Circuit Malfunction Moderate $60 – $350
P0101 Mass Air Flow (MAF) Circuit Range / Performance Moderate $40 – $320
P0102 Mass Air Flow (MAF) Circuit Low Input Moderate to High $60 – $350
P0103 Mass Air Flow (MAF) Circuit High Input Moderate $60 – $350
P0106 Manifold Absolute Pressure (MAP) System Performance / Range Moderate $50 – $250
P0107 Manifold Absolute Pressure (MAP) Circuit Low Input Moderate $50 – $250
P0108 Manifold Absolute Pressure (MAP) Circuit High Input Moderate $50 – $250
P0111 Intake Air Temperature (IAT) Sensor 1 Circuit Range/Performance Low to Moderate $40 – $180
P0112 Intake Air Temperature (IAT) Sensor 1 Circuit Low Input Low to Moderate $40 – $180
P0113 Intake Air Temperature (IAT) Sensor 1 Circuit High Low to Moderate $40 – $180
P0115 Engine Coolant Temperature (ECT) Circuit Malfunction Moderate to High $60 – $220
P0116 Engine Coolant Temperature Circuit Range/Performance Moderate $80 – $320
P0117 Engine Coolant Temperature Circuit Low Input Moderate to High $60 – $220
P0118 Engine Coolant Temperature Circuit High Input Moderate $60 – $220
P0121 Throttle / Pedal Position Sensor 'A' Circuit Range/Performance Moderate to High $80 – $450
P0122 Throttle Position Sensor 'A' Circuit Low Input Moderate to High $80 – $380
P0123 Throttle Position Sensor 'A' Circuit High Input Moderate to High $80 – $380
P0125 Insufficient Coolant Temp for Closed Loop Fuel Control Moderate $120 – $350
P0128 Coolant Temperature Below Thermostat Regulating Temperature Low to Moderate $120 – $350
P0130 O2 Sensor Circuit Malfunction (Bank 1 Sensor 1) Moderate $120 – $350
P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) Moderate $120 – $380
P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) Moderate $120 – $380
P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) Moderate $110 – $320
P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) Moderate $120 – $350
P0135 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) Moderate $120 – $350
P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0140 O2 Sensor Circuit No Activity (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0141 O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) Low to Moderate $100 – $280
P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) Moderate $120 – $380
P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) Moderate $120 – $380
P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) Moderate $110 – $320
P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Moderate $120 – $350
P0155 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) Moderate $120 – $350
P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) Low to Moderate $100 – $280
P0161 O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2) Low to Moderate $100 – $280
P0171 System Too Lean (Bank 1) Moderate $60 – $450
P0172 System Too Rich (Bank 1) Moderate $50 – $380
P0174 System Too Lean (Bank 2) Moderate $60 – $450
P0175 System Too Rich (Bank 2) Moderate $75 – $450
P0200 Injector Circuit Malfunction Moderate to High $100 – $500
P0201 Injector Circuit Malfunction - Cylinder 1 High $120 – $450
P0202 Injector Circuit Malfunction - Cylinder 2 High $120 – $450
P0203 Injector Circuit Malfunction - Cylinder 3 High $120 – $450
P0204 Injector Circuit Malfunction - Cylinder 4 High $120 – $450
P0216 Injection Timing Control Circuit Malfunction High $150 – $800
P0234 Turbocharger / Supercharger Overboost Condition High $150 – $1,200
P0236 Turbocharger Boost Sensor 'A' Circuit Range/Performance Moderate $80 – $320
P0237 Turbocharger Boost Sensor 'A' Circuit Low Moderate $80 – $320
P0238 Turbocharger Boost Sensor 'A' Circuit High Moderate to High $80 – $320
P0299 Turbocharger / Supercharger Underboost Condition Moderate $100 – $1,800
P0300 Random or Multiple Cylinder Misfire Detected High (Critical if Flashing) $100 – $750
P0301 Cylinder 1 Misfire Detected High (Critical if Flashing) $80 – $400
P0302 Cylinder 2 Misfire Detected High (Critical if Flashing) $80 – $400
P0303 Cylinder 3 Misfire Detected High (Critical if Flashing) $80 – $400
P0304 Cylinder 4 Misfire Detected High (Critical if Flashing) $80 – $450
P0305 Cylinder 5 Misfire Detected High (Critical if Flashing) $80 – $450
P0306 Cylinder 6 Misfire Detected High (Critical if Flashing) $80 – $450
P0307 Cylinder 7 Misfire Detected High (Critical if Flashing) $80 – $450
P0308 Cylinder 8 Misfire Detected High (Critical if Flashing) $80 – $450
P0316 Misfire Detected on Startup (First 1000 Revolutions) Moderate $100 – $600
P0320 Ignition / Distributor Engine Speed Input Circuit Malfunction High $120 – $400
P0325 Knock Sensor 1 Circuit Malfunction (Bank 1) Moderate $100 – $400
P0327 Knock Sensor 1 Circuit Low Input (Bank 1) Moderate $100 – $400
P0328 Knock Sensor 1 Circuit High Input (Bank 1) Moderate $100 – $400
P0330 Knock Sensor 2 Circuit Malfunction (Bank 2) Moderate $100 – $450
P0335 Crankshaft Position Sensor 'A' Circuit Malfunction High (Critical) $120 – $380
P0336 Crankshaft Position Sensor 'A' Circuit Range/Performance High $120 – $380
P0340 Camshaft Position Sensor 'A' Circuit Malfunction (Bank 1) High $100 – $320
P0341 Camshaft Position Sensor 'A' Circuit Range/Performance (Bank 1) Moderate to High $100 – $500
P0345 Camshaft Position Sensor 'A' Circuit (Bank 2) High $100 – $320
P0351 Ignition Coil 'A' Primary/Secondary Circuit Malfunction High $80 – $350
P0352 Ignition Coil 'B' Primary/Secondary Circuit Malfunction High $80 – $350
P0353 Ignition Coil 'C' Primary/Secondary Circuit Malfunction High $80 – $350
P0354 Ignition Coil 'D' Primary/Secondary Circuit Malfunction High $80 – $350
P0400 Exhaust Gas Recirculation (EGR) Flow Malfunction Moderate $80 – $420
P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient Moderate $80 – $420
P0402 Exhaust Gas Recirculation (EGR) Excessive Flow Detected Moderate $80 – $380
P0403 Exhaust Gas Recirculation (EGR) Control Circuit Malfunction Moderate $90 – $350
P0404 Exhaust Gas Recirculation (EGR) Open Position Performance Moderate $90 – $380
P0410 Secondary Air Injection System Malfunction Low to Moderate $150 – $750
P0411 Secondary Air Injection System Incorrect Flow Detected Low to Moderate $100 – $550
P0420 Catalyst System Efficiency Below Threshold (Bank 1) Moderate $250 – $1,800 depending on sensor vs complete catalytic converter replacement
P0430 Catalyst System Efficiency Below Threshold (Bank 2) Moderate $250 – $1,900
P0440 Evaporative Emission Control System Malfunction Low $20 – $350
P0441 EVAP System Incorrect Purge Flow Low to Moderate $75 – $250
P0442 EVAP Control System Small Leak Detected Low $25 – $250
P0443 EVAP Control System Purge Control Valve Circuit Low to Moderate $70 – $220
P0446 EVAP System Vent Control Circuit Malfunction Low to Moderate $80 – $280
P0451 EVAP Control System Pressure Sensor Range/Performance Low to Moderate $120 – $380
P0452 EVAP Control System Pressure Sensor Low Input Low $120 – $350
P0453 EVAP Control System Pressure Sensor High Input Low $120 – $350
P0455 EVAP Control System Large Leak Detected Low to Moderate $25 – $350
P0456 EVAP System Very Small Leak Detected (.020 Inch) Low $25 – $280
P0457 EVAP Control System Leak Detected (Fuel Cap Loose / Off) Low $0 – $25
P0500 Vehicle Speed Sensor 'A' Malfunction Moderate $80 – $260
P0501 Vehicle Speed Sensor Range/Performance Moderate $80 – $280
P0505 Idle Air Control (IAC) System Malfunction Moderate $100 – $400
P0506 Idle Air Control System RPM Lower Than Expected Moderate $50 – $350
P0507 Idle Air Control System RPM Higher Than Expected Moderate $50 – $350
P0520 Engine Oil Pressure Sensor / Switch Circuit Malfunction High $70 – $240
P0521 Engine Oil Pressure Sensor / Switch Range/Performance High $70 – $350
P0522 Engine Oil Pressure Sensor / Switch Low Voltage High (Critical) $70 – $1,800+
P0524 Engine Oil Pressure Too Low High (Critical) $100 – $2,500+
P0562 System Voltage Low High $80 – $650
P0563 System Voltage High High $150 – $650
P0600 Serial Communication Link Malfunction Moderate to High $100 – $400
P0601 Internal Control Module Memory Check Sum Error High $250 – $1,200
P0606 ECM / PCM Processor Fault High $300 – $1,200
P0620 Generator / Alternator Control Circuit Malfunction Moderate to High $120 – $550
P0700 Transmission Control System Malfunction High $150 – $1,500+ depending on whether fluid service, solenoid, or internal rebuild is required
P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input) Moderate $120 – $380
P0715 Input / Turbine Speed Sensor 'A' Circuit Malfunction High $120 – $350
P0720 Output Speed Sensor Circuit Malfunction High $120 – $350
P0730 Incorrect Gear Ratio (Transmission Slipping) High $150 – $3,500
P0731 Gear 1 Incorrect Ratio High $150 – $2,500
P0732 Gear 2 Incorrect Ratio High $150 – $2,500
P0733 Gear 3 Incorrect Ratio High $150 – $2,500
P0734 Gear 4 Incorrect Ratio High $150 – $2,500
P0740 Torque Converter Clutch Circuit Malfunction High $200 – $1,600
P0741 Torque Converter Clutch Circuit Performance / Stuck Off Moderate to High $250 – $1,800
P0750 Shift Solenoid 'A' Malfunction Moderate to High $150 – $450
P0751 Shift Solenoid 'A' Performance / Stuck Off Moderate to High $150 – $500
P0755 Shift Solenoid 'B' Malfunction Moderate to High $150 – $450
P0756 Shift Solenoid 'B' Performance / Stuck Off Moderate to High $150 – $500
P0770 Shift Solenoid 'E' Malfunction Moderate to High $150 – $450
P0841 Transmission Fluid Pressure Sensor / Switch 'A' Circuit Range/Performance Moderate to High $120 – $450
U0100 Lost Communication With ECM / PCM 'A' High $100 – $1,200
U0101 Lost Communication With TCM (Transmission Control Module) High $120 – $900
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module Moderate to High $100 – $850
U0140 Lost Communication With Body Control Module (BCM) Moderate $120 – $750
U0155 Lost Communication With Instrument Panel Cluster (IPC) Moderate $100 – $600
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