Diagnostic Trouble Code Index for September 2006
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Diagnostic Trouble Codes (DTC)
| Count | Trouble Code | Sample Definition | Manufacturers |
| 34 | P0300 | Multiple Cylinder Misfire Detected | Buick, Chevrolet, Daewoo, Dodge, GMC, Mazda, Mercedes-Benz, Mercury, Mitsubishi, Oldsmobile, Pontiac, Porsche, Saab, Saturn, Toyota |
| 19 | P0171 | Fuel System Lean (Bank 1) | Chevrolet, Dodge, Ford, GMC, Hyundai, Isuzu, Jaguar, Nissan, Pontiac, Saab, Saturn, Toyota |
| 11 | P0340 | Camshaft Position Sensor Circuit Malfunction | Chevrolet, Ford, GMC, Nissan, Saturn |
| 9 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Isuzu, Jaguar, Nissan, Saturn, Toyota |
| 9 | P0303 | Cylinder 3 Misfire Detected | Daewoo, Ford, Jaguar, Porsche, Saturn, Subaru, Volkswagen |
| 8 | P0172 | Fuel System Rich (Bank 1) | Cadillac, Ford, Isuzu, Nissan, Pontiac, Subaru |
| 7 | P0302 | Cylinder 2 Misfire Detected | Ford, Infiniti, Lincoln, Porsche, Subaru, Toyota, Volkswagen |
| 7 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Infiniti, Pontiac, Subaru, Toyota, Volkswagen |
| 6 | P0304 | Cylinder 4 Misfire Detected | Buick, Chrysler, Ford, Mercedes-Benz, Saturn, Toyota |
| 6 | P0455 | EVAP System Large Leak Detected | Dodge, Mercedes-Benz, Saab, Volvo |
| 5 | P0301 | Cylinder 1 Misfire Detected | BMW, Mitsubishi, Porsche, Subaru, Toyota |
| 5 | P0305 | Cylinder 5 Misfire Detected | Chevrolet, Dodge, Ford, Mercedes-Benz, Subaru |
| 5 | P0306 | Cylinder 6 Misfire Detected | Chevrolet, Ford, Mercedes-Benz, Mercury |
| 5 | P0442 | EVAP System Small Leak Detected | Chevrolet, Dodge, Volkswagen |
| 4 | P0325 | Knock Sensor Circuit Malfunction | Ford, Honda, Nissan, Pontiac |
| 4 | P0440 | General EVAP System Failure | Kia, Nissan, Pontiac |
| 4 | P1391 | CKP Or CMP Sensor Signal Intermittent | Chrysler, Dodge, Jeep |
| 4 | U1000 | Class 2 Communication Malfunction | Chevrolet, Nissan, Pontiac |
| 3 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Hyundai, Porsche, Volvo |
| 3 | P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | Pontiac, Volkswagen |
| 3 | P0175 | Fuel System Rich (Bank 2) | Cadillac, Isuzu, Mercury |
| 3 | P0446 | EVAP Vent System Performance | Chevrolet, Kia, Toyota |
| 3 | P1494 | EVAP Leak Detection Pump Switch Or Mechanical Fault | Chrysler, Mitsubishi |
| 3 | P1582 | Electronic Throttle Monitor Data Available | Volkswagen |
| 2 | P0101 | MAF Sensor Performance | Chevrolet, Pontiac |
| 2 | P0121 | TP Sensor Performance | Pontiac, Saturn |
| 2 | P0132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage | Dodge |
| 2 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Ford, Mercury |
| 2 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Ford, Saturn |
| 2 | P0157 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage | Chevrolet |
| 2 | P0170 | Fuel Trim Lean Or Rich (Bank 1) | Mercedes-Benz |
| 2 | P0173 | Fuel Trim Lean Or Rich (Bank 2) | BMW, Mercedes-Benz |
| 2 | P0320 | No Crank Reference Signal To PCM | Dodge, Jeep |
| 2 | P0336 | Crankshaft Position Sensor Performance | Saturn, Toyota |
| 2 | P0339 | Crankshaft Position Sensor Signal Intermittent | GMC |
| 2 | P0341 | CMP Sensor Performance | Saturn, Volkswagen |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Dodge, Ford |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Dodge, Jaguar |
| 2 | P0401 | Insufficient EGR Flow Detected | Ford, Isuzu |
| 2 | P0411 | Secondary AIR System Incorrect Airflow Detected | Mercedes-Benz, Volkswagen |
| 2 | P0421 | Warmup Catalyst Efficiency Low (Bank 1) | Audi, Mazda |
| 2 | P0431 | Warmup Catalyst Efficiency Low (Bank 2) | Audi, Mazda |
| 2 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 2 | P0505 | Idle Control System Malfunction | Honda, Infiniti |
| 2 | P0733 | Gear Ratio Error In Third | Nissan, Saturn |
| 2 | P0743 | Torque Converter Clutch Solenoid Circuit Malfunction | Dodge, Mercury |
| 2 | P1000 | OBD II Monitor Testing No Completed | Ford |
| 2 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Infiniti, Toyota |
| 2 | P1309 | Misfire Detection Monitor | Ford |
| 2 | P1408 | EGR Flow Out Of Self-Test Range | Ford |
| 2 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Ford, Volkswagen |
| 2 | P1457 | EVAP System Leak Detected (Canister Area) | Acura, Honda |
| 2 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Chevrolet |
| 2 | P1640 | Output Driver 1 Circuit Malfunction | Isuzu, Pontiac |
| 1 | B1001 | option configuration error | Cadillac |
| 1 | B1159 | Buick | |
| 1 | B1369 | undocumented code | Pontiac |
| 1 | B1379 | Device ignition 3 on circuit open | Pontiac |
| 1 | B2965 | key in ignition fault | Pontiac |
| 1 | P0025 | Camshaft Position 'B' Over-Retarded (Bank 2) | Cadillac |
| 1 | P0035 | Supercharger Bypass Valve Solenoid Control Circuit High Voltage | Cadillac |
| 1 | P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | Dodge |
| 1 | P0080 | exhaust valve control solenoid circuit high | Cadillac |
| 1 | P0087 | Fuel Rail Pressure Too Low | Dodge |
| 1 | P0107 | MAP Sensor Circuit Low Voltage | Chevrolet |
| 1 | P0112 | IAT Sensor Circuit Low Voltage | Volkswagen |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Ford |
| 1 | P0116 | ECT Sensor Performance | Audi |
| 1 | P0120 | TP Sensor 1 Signal Circuit Malfunction | Nissan |
| 1 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Dodge |
| 1 | P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction | Ford |
| 1 | P0137 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage | Volvo |
| 1 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Cadillac |
| 1 | P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity | Ford |
| 1 | P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction | Oldsmobile |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Chevrolet |
| 1 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Porsche |
| 1 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | Chevrolet |
| 1 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Ford |
| 1 | P0191 | Fuel Rail Pressure Sensor Performance | Ford |
| 1 | P0205 | Fuel Injector 5 Control Circuit Malfunction | Dodge |
| 1 | P0206 | Fuel Injector 6 Control Circuit Malfunction | Dodge |
| 1 | P0207 | Fuel Injector 7 Control Circuit Malfunction | Dodge |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0219 | Engine Overspeed Condition | Acura |
| 1 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Chevrolet |
| 1 | P0272 | Cylinder 4 Balance System Malfunction | Ford |
| 1 | P0278 | Cylinder 6 Balance System Malfunction | Ford |
| 1 | P0279 | Cylinder 7 Injector Circuit Low | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Ford |
| 1 | P0326 | Knock Sensor Performance | Saturn |
| 1 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | Pontiac |
| 1 | P0335 | Crankshaft Position Sensor Circuit Malfunction | Pontiac |
| 1 | P0353 | Ignition Coil 3 Control Circuit Malfunction | Dodge |
| 1 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Dodge |
| 1 | P0400 | EGR System Recirculation Flow | Suzuki |
| 1 | P0405 | EGR Position Sensor Circuit Low Voltage | Buick |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Chrysler |
| 1 | P0412 | Secondary Air System Solenoid Circuit Malfunction | Chevrolet |
| 1 | P0418 | Secondary Air System Pump Relay Control Circuit Malfunction (Bank 1) | Chevrolet |
| 1 | P0441 | EVAP Purge System Performance | Ford |
| 1 | P0450 | EVAP Vapor Pressure Sensor Circuit Malfunction | Volvo |
| 1 | P0451 | Fuel Tank Pressure Sensor Performance | Kia |
| 1 | P0456 | EVAP System Very Small Leak Detected | Chrysler |
| 1 | P0476 | Exhaust Backpressure Regulator Malfunction (Self Test) | Ford |
| 1 | P0478 | Exhaust Backpressure Control Valve Excessive | Ford |
| 1 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Dodge |
| 1 | P0501 | Vehicle Speed Sensor 1 Performance | Audi |
| 1 | P0507 | Idle Speed High | Saturn |
| 1 | P0511 | Idle Air Control Valve Circuit Malfunction | Mercury |
| 1 | P0560 | System Voltage Malfunction | Chevrolet |
| 1 | P0561 | System Voltage Performance | Buick |
| 1 | P0570 | Cruise Control ACCEL Signal | Mercedes-Benz |
| 1 | P0603 | Control Module Long Term Memory Reset | Oldsmobile |
| 1 | P0640 | Intake Air Heater Control Circuit Malfunction | Buick |
| 1 | P0650 | Malfunction Indicator Lamp Circuit Malfunction | Buick |
| 1 | P0656 | Fuel Gauge Output Control Circuit Malfunction | Saturn |
| 1 | P0661 | Intake Manifold Tuning Valve Circuit Low (Bank 1) | Acura |
| 1 | P0670 | Glow Plug Control Module Control Circuit Malfunction | Buick |
| 1 | P0674 | Glow Plug No. 4 Control Circuit Malfunction | Volkswagen |
| 1 | P0700 | Automatic Transmission System Malfunction Detected | Saturn |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | Buick |
| 1 | P0732 | Gear Ratio Error In Second | Nissan |
| 1 | P0741 | TCC System - Stuck Off | Saturn |
| 1 | P0744 | TCC Servo Valve Function (Lockup) | Saturn |
| 1 | P0748 | Pressure Control Solenoid Circuit Malfunction | Chevrolet |
| 1 | P0749 | Pressure Control Solenoid Circuit Intermittent | Saturn |
| 1 | P0750 | Low/Reverse Solenoid Circuit Malfunction | Mercury |
| 1 | P0755 | 2-4 Solenoid Circuit Malfunction | Mercury |
| 1 | P0760 | Overdrive Solenoid Circuit Malfunction | Mercury |
| 1 | P0773 | Shift Solenoid 'E' Circuit Malfunction | Toyota |
| 1 | P1105 | MAP / BARO Switch Solenoid Malfunction | Volkswagen |
| 1 | P1121 | TP Sensor Circuit Intermittent High Voltage | Chevrolet |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Toyota |
| 1 | P1132 | Heated Oxygen Sensor (Bank 1 Sensor 1) Indicates A/F Ratio Too Rich | Ford |
| 1 | P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching | Pontiac |
| 1 | P1138 | Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel Cutoff | Nissan |
| 1 | P1147 | Heated Oxygen Sensor (Bank 1 Sensor 2) Rich Shift Monitoring | Nissan |
| 1 | P1150 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) Circuit Malfunction | Toyota |
| 1 | P1152 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance (Low) | Ford |
| 1 | P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching | Chevrolet |
| 1 | P1189 | Engine Oil Pressure Switch Circuit Malfunction | BMW |
| 1 | P1211 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1216 | Fuel Solenoid Response Time Too Short | GMC |
| 1 | P1225 | Closed Throttle Learning Position Performance | Volkswagen |
| 1 | P1250 | Pressure Regulator Control Solenoid Circuit Malfunction | BMW |
| 1 | P1260 | Immobilizer System Malfunction | Ford |
| 1 | P1275 | Accelerator Pedal Position Sensor 1 Circuit Malfunction | Porsche |
| 1 | P1276 | Accelerator Pedal Position Sensor 1 Performance | Porsche |
| 1 | P1294 | Target Idle Speed Not Reached | Ford |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Toyota |
| 1 | P1307 | Chassis Acceleration Sensor Signal Range/Performance | Volvo |
| 1 | P1336 | CKP Sensor System Variation Not Learned | Cadillac |
| 1 | P1381 | Misfire Detected - No Communication With EBCM | Chevrolet |
| 1 | P1404 | EGR Valve Closed Position Performance | GMC |
| 1 | P1409 | EGR Vacuum Regulator Solenoid Circuit Malfunction | Ford |
| 1 | P1421 | Cold Start Emission Reduction Strategy Monitoring | Volkswagen |
| 1 | P1425 | EVAP System Leak Detection Pump Flow High/Low | Volkswagen |
| 1 | P1440 | EVAP Canister System Small Leak (0.040) Detected | Nissan |
| 1 | P1444 | EVAP Canister Purge Volume Control Valve Circuit Malfunction | Nissan |
| 1 | P1450 | Unable to Bleed Up Fuel Tank Vacuum | Mazda |
| 1 | P1456 | EVAP System Leak Detected (Fuel Tank Area) | Infiniti |
| 1 | P1472 | Evap leak detection pump short to ground | Volkswagen |
| 1 | P1476 | High Fan Relay Control Circuit Malfunction | Volkswagen |
| 1 | P1555 | Electronic Variable Orifice Solenoid Malfunction | Saturn |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Oldsmobile |
| 1 | P1602 | Powertrain Control Module Not Programmed | Buick |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Volvo |
| 1 | P1607 | PCM Internal Shutdown Timer Slow Rationality | Honda |
| 1 | P1610 | NATS Initialization Failure | Buick |
| 1 | P1633 | Ignition Supplement Power '0' Switch Circuit Malfunction | Ford |
| 1 | P1668 | Generator L-Terminal Control Circuit Malfunction | Ford |
| 1 | P1670 | Output Driver 4 Voltage High Voltage | Ford |
| 1 | P1687 | No Communication With MIC | Dodge |
| 1 | P1698 | No CCD Messages Received From TCM | Plymouth |
| 1 | P1747 | EPC Solenoid Circuit Malfunction | Ford |
| 1 | P1765 | Switched Battery Malfunction | Toyota |
| 1 | P1779 | Engine Torque Delivered to TCM Signal | Saturn |
| 1 | P1780 | Park/Neutral Position Switch Circuit Malfunction | Ford |
| 1 | P2016 | Intake Manifold Runner Position Sensor Circuit low | Mercedes-Benz |
| 1 | P2017 | Intake Manifold Runner Position Sensor Circuit High | Mercedes-Benz |
| 1 | P2085 | Differential Pressure Sensor Continuous Regeneration Active | Mercedes-Benz |
| 1 | P2086 | Differential Pressure Sensor Implausibility (Exhaust Temperature Sensor) | Mercedes-Benz |
| 1 | P2262 | Turbo/Super Charger Boost Pressure Not Detected - Mechanical | Ford |
| 1 | P3191 | Engine Does Not Start | Dodge |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U1041 | Loss of Electronic Brake Controller Communication | Chevrolet |
| 1 | U1064 | Lost Communication With BCM or VCD Module | Chevrolet |
| 1 | U1147 | Data Circuit Malfunction | Ford |
| 1 | U1262 | Data Circuit Malfunction | Ford |
