Diagnostic Trouble Code Index for January 2010
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 |
| 46 | P0300 | Multiple Cylinder Misfire Detected | Audi, Buick, Chevrolet, Chrysler, Dodge, Ford, GMC, Hyundai, Jeep, Land Rover, Lexus, Mazda, Mercury, Nissan, Pontiac, Saab, Toyota, Volkswagen |
| 22 | P0171 | Fuel System Lean (Bank 1) | Acura, Chevrolet, Dodge, Ford, GMC, Jaguar, Jeep, Land Rover, Mercury, Nissan, Toyota |
| 15 | P0304 | Cylinder 4 Misfire Detected | Acura, Audi, Hyundai, Jeep, Kia, Mazda, Mercury, Nissan, Subaru, Toyota, Volkswagen |
| 13 | P0174 | Fuel System Lean (Bank 2) | Chevrolet, Ford, Jaguar, Mercury, Nissan, Saturn, Toyota |
| 13 | P0302 | Cylinder 2 Misfire Detected | Chevrolet, Chrysler, Dodge, Ford, Lexus, Mazda, Subaru, Toyota, Volkswagen |
| 10 | P0306 | Cylinder 6 Misfire Detected | Acura, BMW, Jeep, Mazda, Mercury, Nissan, Volkswagen |
| 8 | P0305 | Cylinder 5 Misfire Detected | Acura, Audi, BMW, Ford, Jaguar, Jeep, Mazda, Volkswagen |
| 8 | P0420 | Catalyst Efficiency Below Normal (Bank 1) | Chevrolet, Ford, Nissan, Subaru, Toyota |
| 7 | P0301 | Cylinder 1 Misfire Detected | Dodge, Ford, Hyundai, Jaguar, Kia, Subaru, Toyota |
| 7 | P0303 | Cylinder 3 Misfire Detected | Chrysler, Ford, Isuzu, Jaguar, Jeep, Subaru, Toyota |
| 6 | P0172 | Fuel System Rich (Bank 1) | Chrysler, Ford, Jeep, Lexus |
| 5 | P0340 | Camshaft Position Sensor Circuit Malfunction | Eagle, Kia, Nissan |
| 5 | P0341 | CMP Sensor Performance | Audi, GMC, Saturn, Volkswagen |
| 5 | P0700 | Automatic Transmission System Malfunction Detected | Chevrolet, Dodge, GMC |
| 4 | P0101 | MAF Sensor Performance | GMC, Land Rover, Volkswagen |
| 4 | P0133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response | Jeep, Kia, Saturn, Volvo |
| 4 | P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Dodge, GMC, Mitsubishi, Nissan |
| 4 | P0505 | Idle Control System Malfunction | Dodge, Infiniti, Subaru |
| 3 | P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | GMC, Jeep, Volkswagen |
| 3 | P0134 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity | Chevrolet, GMC, Nissan |
| 3 | P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction | Nissan |
| 3 | P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction | Chevrolet, GMC, Nissan |
| 3 | P0275 | Cylinder 5 Balance System Malfunction | Ford |
| 3 | P0316 | Misfire Occurred In First 1,000 Revolutions | Ford, Lincoln, Mazda |
| 3 | P0336 | Crankshaft Position Sensor Performance | Audi, Buick, Honda |
| 3 | P0401 | Insufficient EGR Flow Detected | Acura, Ford, Honda |
| 3 | P0507 | Idle Speed High | Chevrolet, Nissan, Saturn |
| 3 | P1340 | Camshaft Position Sensor 'A' Circuit Malfunction (Bank 2) | Audi, Volkswagen |
| 2 | B2960 | Security system sensor data incorrect but valid | Oldsmobile, Saturn |
| 2 | P0016 | Crankshaft/Camshaft Timing Misalignment | Chrysler, Dodge |
| 2 | P0102 | MAF Sensor Circuit Low Frequency | Nissan, Volkswagen |
| 2 | P0103 | MAF Sensor Circuit High Frequency | Volkswagen |
| 2 | P0121 | TP Sensor Performance | Chevrolet, Hyundai |
| 2 | P0130 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction | Nissan, Subaru |
| 2 | P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage | Nissan, Toyota |
| 2 | P0153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Slow Response | Jaguar, Nissan |
| 2 | P0154 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity | GMC, Volvo |
| 2 | P0175 | Fuel System Rich (Bank 2) | Chrysler, Jeep |
| 2 | P0200 | Fuel Injector Circuit Malfunction | Chevrolet |
| 2 | P0230 | Fuel Pump Relay Control Circuit Malfunction | Dodge, Hyundai |
| 2 | P0271 | Fuel Injector 4 Control Circuit High Voltage | Ford, Mini |
| 2 | P0325 | Knock Sensor Circuit Malfunction | Nissan, Toyota |
| 2 | P0335 | Crankshaft Position Sensor Circuit Malfunction | GMC, Honda |
| 2 | P0346 | Intake Camshaft Position Sensor Performance (Bank 2) | Audi, Toyota |
| 2 | P0351 | Ignition Coil 1 Control Circuit Malfunction | Mercury, Saturn |
| 2 | P0352 | Ignition Coil 2 Control Circuit Malfunction | Chrysler, Saturn |
| 2 | P0355 | Ignition Coil 5 Control Circuit Malfunction | Chevrolet, Ford |
| 2 | P0440 | General EVAP System Failure | Buick, Toyota |
| 2 | P0442 | EVAP System Small Leak Detected | Buick, Ford |
| 2 | P0500 | Vehicle Speed Sensor Circuit Malfunction | Ford, Subaru |
| 2 | P0603 | Control Module Long Term Memory Reset | BMW, Ford |
| 2 | P061B | Internal Control Module Torque Calculation Performance | Ford |
| 2 | P0731 | Gear Ratio Error In First | BMW, Nissan |
| 2 | P1000 | OBD II Monitor Testing No Completed | Ford, Mercury |
| 2 | P1101 | Intake Airflow System Performance | Lincoln, Subaru |
| 2 | P1121 | TP Sensor Circuit Intermittent High Voltage | Kia, Subaru |
| 2 | P1136 | Intake Valve Timing Control Circuit Malfunction (Bank 2) | Audi, Volkswagen |
| 2 | P1335 | Crankshaft Position Sensor Circuit Malfunction | Audi, Nissan |
| 2 | P1522 | Brake Booster (Master Power) Vacuum Sensor Low Voltage | Audi, Volkswagen |
| 2 | P1540 | Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled | Mazda, Subaru |
| 2 | P1570 | Laser Radar Sensor Circuit Malfunction | Mercedes-Benz, Volkswagen |
| 2 | P1631 | Theft Deterrent Fuel Enable Signal Not Correct | Buick, Chevrolet |
| 2 | P1698 | No CCD Messages Received From TCM | Dodge, Jeep |
| 2 | P2101 | Control Module Throttle Actuator Position Performance | Chevrolet, Dodge |
| 2 | U0140 | Lost Communication With BCM | Chevrolet, Chrysler |
| 2 | U1262 | Data Circuit Malfunction | Ford |
| 1 | B1000 | ECU Malfunction | Mercedes-Benz |
| 1 | B1001 | option configuration error | GMC |
| 1 | B1021 | Loss of PCM serial data | Pontiac |
| 1 | B1353 | ignition key in circuit fault | Ford |
| 1 | B1379 | Device ignition 3 on circuit open | Oldsmobile |
| 1 | B2139 | ipc rcv does not natch | Mercury |
| 1 | B2796 | No Communication With The Immobilizer System | Toyota |
| 1 | B3033 | Security system indicates tamper | Saturn |
| 1 | B3109 | keyless entry battery low | Chevrolet |
| 1 | B3128 | Driver door unlock output short to battery | Oldsmobile |
| 1 | C0561 | abs system disabled | Chevrolet |
| 1 | C1022 | Asr no can comm with m.e. | Mercedes-Benz |
| 1 | C1024 | CAN bus fault in comminication with EGS/ESP | Mercedes-Benz |
| 1 | C112B | no idea | Saturn |
| 1 | C1805 | PCM and/or ABS/Tracs control module mismatch | Ford |
| 1 | P0011 | Intake Camshaft Position System Performance | BMW |
| 1 | P0012 | Camshaft Position 'A' Over-Retarded (Bank 1) | Ford |
| 1 | P0013 | Exhaust Camshaft Position Actuator Solenoid Control Circuit (Bank 1) | Pontiac |
| 1 | P0014 | Exhaust Camshaft Position System Performance | Pontiac |
| 1 | P0021 | Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2) | Ford |
| 1 | P0022 | Camshaft Position 'A' Timing Over-Retarded (Bank 2) | Ford |
| 1 | P0026 | Intake Valve Solenoid Circuit Range/Performance (Bank 1) | Volvo |
| 1 | P0046 | Turbocharger Boost Control Circuit Performance | GMC |
| 1 | P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance | Chevrolet |
| 1 | P0058 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit High Voltage | Lexus |
| 1 | P0068 | Throttle Body Airflow Performance | Audi |
| 1 | P0087 | Fuel Rail Pressure Too Low | GMC |
| 1 | P0088 | Fuel Rail Pressure Too High | Dodge |
| 1 | P0100 | Mass Airflow Sensor Circuit Malfunction | Infiniti |
| 1 | P0106 | MAP Sensor Performance | Mitsubishi |
| 1 | P0108 | MAP Sensor Circuit High Voltage | Chevrolet |
| 1 | P0113 | IAT Sensor Circuit High Voltage | Nissan |
| 1 | P0118 | ECT Sensor Circuit High Voltage | Chrysler |
| 1 | P0123 | TP Sensor Circuit High Voltage | Chrysler |
| 1 | P0125 | Engine Coolant Temperature Insufficient For Closed Loop Fuel Control | Toyota |
| 1 | P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | Dodge |
| 1 | P0151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage | Jaguar |
| 1 | P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | BMW |
| 1 | P0178 | Fuel Composition Sensor Low Frequency | Chevrolet |
| 1 | P0201 | Fuel Injector 1 Control Circuit Malfunction | Jeep |
| 1 | P0202 | Fuel Injector 2 Control Circuit Malfunction | Jeep |
| 1 | P0203 | Fuel Injector 3 Control Circuit Malfunction | Jeep |
| 1 | P0206 | Fuel Injector 6 Control Circuit Malfunction | Jeep |
| 1 | P0208 | Fuel Injector 8 Control Circuit Malfunction | GMC |
| 1 | P0216 | Injection Timing Control Circuit Malfunction | Dodge |
| 1 | P0229 | Turbo under boost | Volkswagen |
| 1 | P0231 | Fuel Pump Feedback Circuit Low Voltage | Lincoln |
| 1 | P0232 | Fuel Pump Feedback Circuit High Voltage | Ford |
| 1 | P0262 | Fuel Injector 1 Control Circuit High Voltage | Ford |
| 1 | P0263 | Cylinder 1 Balance System Malfunction | Volkswagen |
| 1 | P0277 | Fuel Injector 6 Control Circuit High Voltage | Ford |
| 1 | P0280 | Cylinder 7 Injector Circuit High | Ford |
| 1 | P0284 | Cylinder 8 Balance System Malfunction | Ford |
| 1 | P0299 | Turbocharger Engine Underboost | Volkswagen |
| 1 | P0308 | Cylinder 8 Misfire Detected | Lexus |
| 1 | P0309 | Cylinder 9 Misfire Detected | Ford |
| 1 | P0320 | No Crank Reference Signal To PCM | Kia |
| 1 | P0326 | Knock Sensor Performance | Saturn |
| 1 | P0327 | Knock Sensor Circuit Low Voltage (Bank 1) | Buick |
| 1 | P0330 | Knock Sensor 2 Circuit Malfunction | Toyota |
| 1 | P0332 | Knock Sensor Circuit Low Frequency (Bank 2) | Buick |
| 1 | P0343 | CMP Sensor Circuit High Voltage | Volvo |
| 1 | P0374 | High Resolution System Performance | GMC |
| 1 | P0380 | Glow Plug Feedback Circuit | GMC |
| 1 | P0385 | Crankshaft Position Sensor 'B' Circuit Malfunction | Cadillac |
| 1 | P0406 | EGR Position Sensor Circuit High Voltage | Dodge |
| 1 | P0408 | EGR Position Sensor 'B' Circuit High Voltage | Ford |
| 1 | P0430 | Catalyst System Low Efficiency (Bank 2) | Ford |
| 1 | P0441 | EVAP Purge System Performance | Hyundai |
| 1 | P0449 | EVAP Vent Solenoid Control Circuit Malfunction | Chevrolet |
| 1 | P0463 | Fuel Level Sensor High Voltage | Saturn |
| 1 | P0470 | Exhaust Backpressure Sensor Circuit Malfunction | Ford |
| 1 | P0480 | Cooling Fan Relay 1 Control Circuit Malfunction | Hyundai |
| 1 | P0481 | Cooling Fan Relay 2 Control Circuit Malfunction | Chevrolet |
| 1 | P0488 | EGR Airflow Throttle Control Circuit Performance | Ford |
| 1 | P0491 | Secondary AIR System Insufficient Flow Detected (Bank 1) | Chrysler |
| 1 | P0501 | Vehicle Speed Sensor 1 Performance | Kia |
| 1 | P0506 | Idle Speed Low | Ford |
| 1 | P0509 | Idle Air Control Motor Sense Circuit High Voltage | Chrysler |
| 1 | P0530 | A/C Refrigerant Pressure Sensor Circuit Malfunction | GMC |
| 1 | P0560 | System Voltage Malfunction | Volvo |
| 1 | P0600 | Serial Communication Link | BMW |
| 1 | P0601 | Control Module Read Only Memory | BMW |
| 1 | P0605 | Control Module Programming Read Only Memory | Dodge |
| 1 | P0622 | Generator F-Terminal Circuit Malfunction | GMC |
| 1 | P0660 | Manifold Tune Valve Solenoid Circuit Malfunction | Chrysler |
| 1 | P0705 | Transaxle Range Switch Circuit Malfunction | BMW |
| 1 | P0720 | Output Shaft Speed Sensor Circuit Malfunction | Kia |
| 1 | P0722 | Output Speed Sensor Circuit Low Voltage | Volkswagen |
| 1 | P0726 | Engine Speed Sensor Circuit Performance | Volkswagen |
| 1 | P0730 | Incorrect Gear Ratio | Volkswagen |
| 1 | P0732 | Gear Ratio Error In Second | BMW |
| 1 | P0948 | Generic OBDII Code | Volkswagen |
| 1 | P0A0D | High Voltage System Interlock Circuit High | Toyota |
| 1 | P1093 | Fuel Rail Pressure Low During Power Enrichment | GMC |
| 1 | P1094 | Fuel Rail Pressure Low During Idle Or Decel Fuel Cutoff | GMC |
| 1 | P1106 | MAP Sensor Circuit Intermittent High Voltage | Chevrolet |
| 1 | P1127 | ETCS Actuator Power Source Circuit Malfunction | Audi |
| 1 | P1128 | Closed Loop Fueling Not Achieved - Bank 1 | Audi |
| 1 | P1129 | MAP Sensor Value Higher Than Expected | Audi |
| 1 | P1130 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Circuit Malfunction | Toyota |
| 1 | P1135 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction | Toyota |
| 1 | P1138 | Heated Oxygen Sensor (Bank 1 Sensor 2) High Voltage In Decel Fuel Cutoff | Audi |
| 1 | P1139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching | Ford |
| 1 | P1148 | Closed Loop Malfunction Detected (Bank 1) | Land Rover |
| 1 | P1151 | Heated Oxygen Sensor (Bank 2 Sensor 1) Indicates A/F Ratio Too Lean | Volkswagen |
| 1 | P1161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | Volkswagen |
| 1 | P1168 | Closed Loop Malfunction Detected (Bank 2) | Nissan |
| 1 | P1175 | Air Fuel Imbalance (Bank 2) | Chevrolet |
| 1 | P1193 | Intake Air Temperature Sensor Circuit High Voltage | Chrysler |
| 1 | P1212 | ABS/TCS Control Unit Malfunction | Ford |
| 1 | P1233 | Fuel System Disabled Or Offline | Ford |
| 1 | P1244 | Generator Load Circuit Input High | Chevrolet |
| 1 | P1259 | VTEC System Malfunction (Bank 1) | Honda |
| 1 | P1260 | Immobilizer System Malfunction | Mercury |
| 1 | P1275 | Accelerator Pedal Position Sensor 1 Circuit Malfunction | Ford |
| 1 | P1285 | Accelerator Pedal Position Sensor 3 Circuit Malfunction | Ford |
| 1 | P1294 | Target Idle Speed Not Reached | Dodge |
| 1 | P1296 | 5-Volt VREF Supply Not Present | Jeep |
| 1 | P1297 | No Change In MAP Signal From Start To Run Transition | Audi |
| 1 | P1299 | Vacuum Leak Present With IAC Valve Fully Seated | Ford |
| 1 | P1300 | Igniter 1 Circuit Malfunction | Toyota |
| 1 | P1308 | Chassis Acceleration Sensor Circuit Low Input | Volvo |
| 1 | P1331 | missfire | Land Rover |
| 1 | P1334 | EGR Throttle Position Sensor - Minimum Stop Performance | Ford |
| 1 | P1336 | CKP Sensor System Variation Not Learned | GMC |
| 1 | P1345 | Camshaft To Crankshaft Position Correlation | Chevrolet |
| 1 | P1347 | Mass Airflow Sensor Circuit low | BMW |
| 1 | P1349 | Variable Valve Timing System (Bank 1) | Lexus |
| 1 | P1354 | Variable Valve Timing System (Bank 2) | Lexus |
| 1 | P1383 | Variable Cam Timing Over-Retarded (Cylinder Bank 1) | Jaguar |
| 1 | P1388 | Auto Shutdown Relay Control Circuit Malfunction | Jaguar |
| 1 | P1391 | CKP Or CMP Sensor Signal Intermittent | Dodge |
| 1 | P1397 | System Voltage Out Of Self-Test Range | BMW |
| 1 | P1400 | Cold Start Emission Reduction Control System | Ford |
| 1 | P1407 | EGR Flow Out Of Self-Test Range | Mercury |
| 1 | P1417 | Cylinder 7 Reactivation Control Performance | Jeep |
| 1 | P1421 | Cold Start Emission Reduction Strategy Monitoring | BMW |
| 1 | P1423 | Fuel Tank Large Leak | BMW |
| 1 | P1434 | Voltage Converter Module High Voltage | BMW |
| 1 | P1445 | EVAP Canister Purge Volume Control Valve Malfunction | Infiniti |
| 1 | P1451 | Barometric Pressure Sensor Signal Range/Performance | Dodge |
| 1 | P1457 | EVAP System Leak Detected (Canister Area) | Honda |
| 1 | P1491 | EVAP Vacuum Cut Valve/Bypass Circuit Malfunction | Nissan |
| 1 | P1506 | Idle Air Control System RPM Higher Than Expected | Ford |
| 1 | P1507 | Idle Air Control System RPM Lower Than Expected | Subaru |
| 1 | P1516 | TAC Module Throttle Actuator Position Performance | Chevrolet |
| 1 | P1557 | Battery Module Temperature Sensor Signal 3 Circuit Low Voltage | Audi |
| 1 | P1565 | Speed Control Command Switch Out-Of-Range High | Buick |
| 1 | P1587 | MPI Module Current Signal Circuit Low Voltage | Jaguar |
| 1 | P1598 | A/C Pressure Sensor Circuit High Voltage | Chrysler |
| 1 | P1599 | A/C Pressure Sensor Circuit Low Voltage | Saturn |
| 1 | P1600 | TCM Internal Watchdog Operation | Toyota |
| 1 | P1603 | PCM Internal Shutdown Timer Rationality | Mazda |
| 1 | P1604 | PCM Internal Dual-Port Ram Read/Write Integrity Failure | Mazda |
| 1 | P1610 | NATS Initialization Failure | Mitsubishi |
| 1 | P1620 | Low Engine Coolant Switch Circuit Low Input | Saturn |
| 1 | P1626 | Theft Deterrent Fuel Enable Signal Lost | Buick |
| 1 | P1627 | Analog To Digital (A/D) Performance | Isuzu |
| 1 | P1637 | Generator 'L' Terminal Circuit Malfunction | Pontiac |
| 1 | P1652 | Cooling Fan 2 Relay Control Circuit Malfunction | Dodge |
| 1 | P1689 | Traction Control Delivered Torque Output Circuit Malfunction | Dodge |
| 1 | P1695 | No CCD Messages Received From BCM | Dodge |
| 1 | P1781 | O/D Pressure Switch Sense Circuit Malfunction | Chevrolet |
| 1 | P2025 | EVAP Vapor Fuel Temperature Sensor Performance | Mercedes-Benz |
| 1 | P202E | line mix up | Mercedes-Benz |
| 1 | P2031 | Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 2 | Mercedes-Benz |
| 1 | P2034 | Oxygen Sensor Circuit Calibration Value Too High Or Too Low | Mercedes-Benz |
| 1 | P2096 | Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) | Dodge |
| 1 | P2097 | Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2) | Chrysler |
| 1 | P2100 | Electronic Throttle Control Motor Circuit / Open (Bank 1) | Chrysler |
| 1 | P2104 | ETC System Malfunction - Forced Idle | Ford |
| 1 | P2106 | Electronic Throttle Control System - Forced Limited Power | Ford |
| 1 | P2110 | Electronic Throttle Control - Forced Limited RPM | Dodge |
| 1 | P2112 | Electronic Throttle Control - Unable To Open | Ford |
| 1 | P2146 | Injector Positive Voltage Relay Circuit Group 1 (Injectors 1 & 4) | Dodge |
| 1 | P2149 | Injector Positive Voltage Relay Circuit Group 2 (Injectors 6 & 7) | GMC |
| 1 | P2187 | Fuel Trim System Lean At Idle (Bank 1) | Mazda |
| 1 | P2229 | BARO Sensor Circuit High Voltage | GMC |
| 1 | P2285 | Injector Control Pressure Sensor Circuit Low Voltage | Ford |
| 1 | P2305 | Ignition Coil 2 Secondary Circuit Insufficient Ionization | Chrysler |
| 1 | P2359 | Boost Pressure Sensor Voltage Too Low | Dodge |
| 1 | P2422 | EVAP Canister Vent Shut Valve Close Malfunction | Honda |
| 1 | P242F | Diesel Particulate Filter Restriction - Ash Accumulation | Dodge |
| 1 | P2A00 | Heated Oxygen Sensor (Bank 1 Sensor 1) Closed Loop Performance | Nissan |
| 1 | P2A03 | Air Fuel Sensor (Bank 2 Sensor 1) Circuit Range / Performance | Nissan |
| 1 | P2B01 | no idea | Saturn |
| 1 | P3008 | g40 signal outside specs | Volkswagen |
| 1 | P3193 | Fuel Run Out | Toyota |
| 1 | U0073 | Control Module Communication Bus Off | Chevrolet |
| 1 | U0100 | Lost Communication With ECM/PCM | Chevrolet |
| 1 | U0101 | Lost Communication With TCM | Dodge |
| 1 | U0105 | Lost Communication With FICM | GMC |
| 1 | U0106 | lost communication with glow plug control module | GMC |
| 1 | U0121 | Lost Communication With Antilock Brake System Module | Chevrolet |
| 1 | U0155 | No Cluster Bus Message | Chrysler |
| 1 | U0168 | No SKIM Bus Messages | Chrysler |
| 1 | U0773 | air suspension inop// rear sensor data 29000000 instead of 1-4.5 volts | Lincoln |
| 1 | U1016 | Serial Communications Malfunction | Chevrolet |
| 1 | U110C | Lost Fuel Level Message | Chrysler |
| 1 | U1147 | Data Circuit Malfunction | Mercury |
| 1 | U1800 | Lost Communication With Fuel Injector Control Module | Chevrolet |
| 1 | U1900 | CAN System Communication Error | Ford |
| 1 | U2023 | Fault recieved from external node | Ford |
| 1 | U2100 | Controller Area Network BUS Communication | Chevrolet |
| 1 | U2104 | Controller Area Network Bus Reset Counter Overrun | Chevrolet |
| 1 | U2106 | ECM - No Communication With Transmission Control Module | Chevrolet |
