Dodge RAM 2006 OBD2 codes

If you’re experiencing issues with your Dodge RAM 2006 and want to check the OBD2 codes, you’ll need an OBD2 scanner or code reader. Here are a few common OBD2 codes that you might encounter on your Dodge RAM:

1. P0300 – Random/Multiple Cylinder Misfire Detected: This code indicates that the engine is misfiring on multiple cylinders. It could be due to a faulty ignition system, fuel system issues, or vacuum leaks.
2. P0171 – System Too Lean (Bank 1): This code suggests that there is a lean condition in the fuel mixture on the bank 1 side of the engine. It could be caused by a vacuum leak, faulty oxygen sensor, or a clogged fuel injector.
3. P0420 – Catalyst System Efficiency Below Threshold (Bank 1): This code indicates that the catalytic converter on bank 1 is not working efficiently. It could be due to a faulty catalytic converter, oxygen sensor, or exhaust leak.
4. P0442 – Evaporative Emission Control System Leak Detected (small leak): This code suggests that there is a small leak in the evaporative emission control system. It could be caused by a loose or faulty gas cap, cracked hoses, or a malfunctioning purge valve.
5. P0730 – Incorrect Gear Ratio: This code indicates that the transmission is experiencing an incorrect gear ratio. It could be due to a malfunctioning shift solenoid, worn-out clutch, or faulty transmission control module.

Please note that these are just a few examples of OBD2 codes, and there are numerous other codes that can be specific to your vehicle. It’s always recommended to consult a professional mechanic or use a reliable OBD2 scanner to diagnose and fix the issue accurately.

P0016–CRANKSHAFT / CAMSHAFT TIMING MISALIGNMENT. 
P0031-O2 SENSOR 1/1 HEATER CIRCUIT LOW.
P0032-02 SNESOR 1/1 HEATER CIRCUIT HIGH. 
P0037-O2 SENSOR 1/2 HEATER CIRCUIT LOW.  
P0038-O2 SENSOR 1/2 HEATER CIRCUIT HIGH.  
P0051-O2 SENSOR 2/1 HEATER CIRCUIT LOW.  
P0052-O2 SENSOR 2/1 HEATER CIRCUIT HIGH. 
P0057-O2 SENSOR 2/2 HEATER CIRCUIT LOW.  
P0058-O2 SENSOR 2/2 HEATER CIRCUIT HIGH.  
P0068-MANIFOLD PRESSURE/THROTTLE POSITION CORRELATION.  
P0071-AMBIENT AIR TEMPERATURE SENSOR PERFORMANCE. 
P0072-AMBIENT AIR TEMPERATURE SENSOR CIRCUIT LOW. 
P0073–AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH.   
P0107-MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT LOW.  
P0108-MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT HIGH.  
P0111-INTAKE AIR TEMPERATURE SENSOR RATIONALITY.  
P0112-INTAKE AIR TEMPERATURE SENSOR CIRCUIT LOW. 
P0113-INTAKE AIR TEMPERATURE SENSOR CIRCUIT HIGH.  
P0116–ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT PERFORMANCE. 
P0117-ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT LOW. 
P0118-ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT HIGH. 
P0121-THROTTLE POSITION SENSOR 1 PERFORMANCE.  
P0122-THROTTLE POSITION SENSOR 1 CIRCUIT LOW (3.7L, 4.7L).  
P0122-THROTTLE POSITION SENSOR 1 CIRCUIT LOW (5.7L). .  
P0123-THROTTLE POSITION SENSOR 1 CIRCUIT HIGH (3.7L, 4.7L)  
P0123-THROTTLE POSITION SENSOR 1 CIRCUIT HIGH (5.7L) 
P0125-INSUFFICIENT COOLANT TEMP FOR CLOSED-LOOP FUEL CONTROL. 
P0128-THERMOSTAT RATIONALITY . 
P0129-BAROMETRIC PRESSURE OUT-OFRANGE LOW.  
P0131-O2 SENSOR 1/1 CIRCUIT LOW  
P0132-O2 SENSOR 1/1 CIRCUIT HIGH .  
P0133-O2 SENSOR 1/1 SLOW RESPONSE 
P0135-O2 SENSOR 1/1 HEATER PERFORMANCE.  
P0137-O2 SENSOR 1/2 CIRCUIT LOW .  
P0138-O2 SENSOR 1/2 CIRCUIT HIGH .  
P0139-O2 SENSOR 1/2 SLOW RESPONSE .  
P0141-O2 SENSOR 1/2 HEATER PERFORMANCE.  
P0151-O2 SENSOR 2/1 CIRCUIT LOW .  
P0152-O2 SENSOR 2/1 CIRCUIT HIGH .  
P0153-O2 SENSOR 2/1 SLOW RESPONSE . 
P0155-O2 SENSOR 2/1 HEATER PERFORMANCE. . 
P0157-O2 SENSOR 2/2 CIRCUIT LOW  
P0158-O2 SENSOR 2/2 CIRCUIT HIGH  
P0159-O2 SENSOR 2/2 SLOW RESPONSE . 
P0161-O2 SENSOR 2/2 HEATER PERFORMANCE.  
P0171-FUEL SYSTEM 1/1 LEAN . 
P0172-FUEL SYSTEM 1/1 RICH .  
P0174-FUEL SYSTEM 2/1 LEAN . . 
P0175-FUEL SYSTEM 2/1 RICH . 
P0197-ENGINE OIL TEMPERATURE SENSOR CIRCUIT LOW.  
P0198-ENGINE OIL TEMPERATURE SENSOR CIRCUIT HIGH.  
P0201-FUEL INJECTOR 1 CIRCUIT .  
P0202-FUEL INJECTOR 2 CIRCUIT . 
P0203-FUEL INJECTOR 3 CIRCUIT .  
P0204-FUEL INJECTOR 4 CIRCUIT . 
P0205-FUEL INJECTOR 5 CIRCUIT .  
P0206-FUEL INJECTOR 6 CIRCUIT .  
P0207-FUEL INJECTOR 7 CIRCUIT .  
P0208-FUEL INJECTOR 8 CIRCUIT . 
P0221-THROTTLE POSITION SENSOR 2 PERFORMANCE.  
P0222-THROTTLE POSITION SENSOR 2 CIRCUIT LOW.  
P0223-THROTTLE POSITION SENSOR 2 CIRCUIT HIGH. 
P0300-MULTIPLE CYLINDER MISFIRE . 
P0301-CYLINDER 1 MISFIRE .  
P0302-CYLINDER 2 MISFIRE .  
P0303-CYLINDER 3 MISFIRE .  
P0304-CYLINDER 4 MISFIRE . 
P0305-CYLINDER 5 MISFIRE . 
P0306-CYLINDER 6 MISFIRE . 
P0307-CYLINDER 7 MISFIRE . 
P0308-CYLINDER 8 MISFIRE . 
P0315-NO CRANK SENSOR LEARNED . 
P0325-KNOCK SENSOR 1 CIRCUIT (3.7L  5.7L).  
P0325-KNOCK SENSOR 1 CIRCUIT (4.7L) .  
P0330-KNOCK SENSOR 2 CIRCUIT (3.7L, 5.7L).  
P0330-KNOCK SENSOR 2 CIRCUIT (4.7L) . 
P0335-CRANKSHAFT POSITION SENSOR CIRCUIT.  
P0339-CRANKSHAFT POSITION SENSOR INTERMITTENT.  
P0340-CAMSHAFT POSITION SENSOR CIRCUIT.  
P0344-CAMSHAFT POSITION SENSOR INTERMITTENT. 
P0401-EGR SYSTEM PERFORMANCE . . 
P0403-EGR SOLENOID CIRCUIT .  
P0404-EGR POSITION SENSOR PERFORMANCE. 
P0404-EGR POSITION SENSOR RATIONALITY OPEN.  
P0405-EGR POSITION SENSOR CIRCUIT LOW.  
P0406-EGR POSITION SENSOR CIRCUIT HIGH. 
P0420-CATALYST 1/1 EFFICIENCY .  
P0430-CATALYST 2/1 EFFICIENCY . 
P0440-GENERAL EVAP SYSTEM FAILURE .  
P0441-EVAP PURGE SYSTEM PERFORMANCE. .  
P0442-EVAP PURGE SYSTEM MEDIUM LEAK. .   
P0443-EVAP PURGE SOLENOID CIRCUIT .  
P0452-NVLD PRESSURE SWITCH STUCK CLOSED.  
P0453-NVLD PRESSURE SWITCH STUCK OPEN.  
P0455-EVAP PURGE SYSTEM LARGE LEAK .  

P0456-EVAP PURGE SYSTEM SMALL LEAK . 
P0457-LOOSE FUEL CAP .  
P0461-FUEL LEVEL SENSOR 1 PERFORMANCE. 
P0462-FUEL LEVEL SENSOR 1 CIRCUIT LOW.  
P0463-FUEL LEVEL SENSOR 1 CIRCUIT HIGH.  
P0480-COOLING FAN 1 CONTROL CIRCUIT . 
P0498-NVLD CANISTER VENT VALVE SOLENOID CIRCUIT LOW. 
P0499-NVLD CANISTER VENT VALVE SOLENOID CIRCUIT HIGH. 
P0501-VEHICLE SPEED SENSOR 1 PERFORMANCE. 
P0503-VEHICLE SPEED SENSOR 1 ERRATIC.  
P0506-IDLE SPEED PERFORMANCE LOWER THAN EXCEPTED. 
P0507-IDLE SPEED PERFORMANCE HIGHER THAN EXCEPTED.  
P0508-IDLE AIR CONTROL VALVE SENSE CIRCUIT LOW.  
P0509-IDLE AIR CONTROL VALVE SENSE CIRCUIT HIGH.  
P0513-INVALID SKIM KEY .  
P0516-BATTERY TEMPERATURE SENSOR CIRCUIT LOW. 
P0517-BATTERY TEMPERATURE SENSOR CIRCUIT HIGH.  
                                                 
P0520-ENGINE OIL PRESSURE SENSOR CIRCUIT.        
P0521-ENGINE OIL PRESSURE SENSOR PERFORMANCE.  

P0522-ENGINE OIL PRESSURE SENSOR CIRCUIT LOW 5.7L.  
P0522-OIL PRESSURE TOO LOW 3.7L, 4.7L .  
P0523-ENGINE OIL PRESSURE SENSOR CIRCUIT HIGH.  
P0532-A/C PRESSURE SENSOR CIRCUIT LOW.  
P0533-A/C PRESSURE SENSOR CIRCUIT HIGH. 
P0551-POWER STEERING PRESSURE SWITCH PERFORMANCE.  
P0562-BATTERY VOLTAGE LOW .  
P0563-BATTERY VOLTAGE HIGH . 
P0571-BRAKE SWITCH 1 PERFORMANCE  
P0572-BRAKE SWITCH 1 STUCK ON .  
P0573-BRAKE SWITCH 1 STUCK OFF .  
P0579-SPEED CONTROL SWITCH 1 PERFORMANCE (5.7L).  
P0580-SPEED CONTROL SWITCH 1 CIRCUIT LOW (3.7L,4.7L) 
P0580-SPEED CONTROL SWITCH 1 CIRCUIT LOW (5.7L).  
P0581-SPEED CONTROL SWITCH 1 CIRCUIT HIGH (3.7L,4.7L).  
P0581-SPEED CONTROL SWITCH 1 CIRCUIT HIGH (5.7L)  
P0582-SPEED CONTROL VACUUM CONTROL CIRCUIT. 
P0585-SPEED CONTROL SWITCH 1/2 CORRELATION (5.7L). 
P0586-SPEED CONTROL VENT CONTROL CIRCUIT.  
P0591-SPEED CONTROL SWITCH 2 PERFORMANCE.  
P0592-SPEED CONTROL SWITCH 2 CIRCUIT LOW. 
P0593-SPEED CONTROL SWITCH 2 CIRCUIT HIGH.  
P0594-SPEED CONTROL SERVO POWER RELAY CIRCUIT.  
P0600-SERIAL COMMUNICATION LINK . 
P0601-INTERNAL MEMORY CHECKSUM INVALID.  
P060B-ETC A/D GROUND PERFORMANCE .  
P060D-ETC LEVEL 2 APP PERFORMANCE .  
P060E-ETC LEVEL 2 TPS PERFORMANCE . 
P060F-ETC LEVEL 2 ECT PERFORMANCE  
P061A-ETC LEVEL 2 TORQUE PERFORMANCE.  
P061C-ETC LEVEL 2 RPM PERFORMANCE  
P0622-GENERATOR FIELD CONTROL CIRCUIT.  
P0627-FUEL PUMP CONTROL CIRCUIT .  
P062C-ETC LEVEL 2 MPH PERFORMANCE . . 
P0630-VIN NOT PROGRAMMED IN PCM . 
P0632-ODOMETER NOT PROGRAMMED IN PCM.  
P0633-SKIM KEY NOT PROGRAMMED IN PCM.  
P0642-SENSOR REFERENCE VOLTAGE 1 CIRCUIT LOW.  
P0643-PRIMARY 5-VOLT SUPPLY CIRCUIT HIGH.  
P0645-A/C CLUTCH CONTROL CIRCUIT .  
P0652-SENSOR REFERENCE VOLTAGE 2 CIRCUIT LOW.  
P0653-SENSOR REFERENCE VOLTAGE 2 CIRCUIT HIGH.  
P0685-AUTO SHUTDOWN RELAY CONTROL CIRCUIT. 
P0688-AUTO SHUTDOWN RELAY SENSE CIRCUIT LOW.  
P0700-TRANSMISSION CONTROL SYSTEM (MIL REQUEST).  
P0703-BRAKE SWITCH 2 PERFORMANCE .  
P0850-PARK/NEUTRAL SWITCH PERFORMANCE.  
P1115-GENERAL TEMPERATURE RATIONALITY.  
P126B-ASD CONTROL CIRCUIT 2 LOW .  
P126C-ASD CONTROL CIRCUIT 2 HIGH .  
P126D-ASD CONTROL CIRCUIT 2 OPEN . 
P126E-ASD CONTROL CIRCUIT OVERCURRENT.  
P1272-A/C CLUTCH CONTROL CIRCUIT 2 LOW.  
P1273-A/C CLUTCH CONTROL CIRCUIT 2 HIGH.P1275-A/C CLUTCH CONTROL CIRCUIT 2 OVERCURRENT. 
P1274 - CLUTCH CONTROL CIRCUIT 2 OPEN
P1277-STARTER CONTROL CIRCUIT 2 LOW (TIPM).  
P1278-STARTER CONTROL CIRCUIT 2 HIGH (TIPM) . 
P1279-STARTER CONTROL CIRCUIT 2 OPEN (TIPM). 
P127A-STARTER CONTROL CIRCUIT 2 OVERCURRENT.  
P127C-FUEL PUMP CONTROL CIRCUIT 2 LOW.  
P127D-FUEL PUMP CONTROL CIRCUIT 2 HIGH. 
P127E-FUEL PUMP CONTROL CIRCUIT 2 OPEN (TIPM). 
P0127F-FUEL PUMP CONTROL CIRCUIT 2 OVERCURRENT (TIPM).  
P01404-EGR POSITION SENSOR RATIONALITY CLOSED.  
P1411–CYLINDER 1 REACTIVATION CONTROL PERFORMANCE.  
P1414–CYLINDER 4 REACTIVATION CONTROL PERFORMANCE.  
P1416–CYLINDER 6 REACTIVATION CONTROL PERFORMANCE.  
P1417–CYLINDER 7 REACTIVATION CONTROL PERFORMANCE.  
P1501-VEHICLE SPEED SENSOR 1/2 CORRELATION - DRIVE WHEELS.  
P1502-VEHICLE SPEED SENSOR 1/2 CORRELATION - NON DRIVE WHEELS.  
P1521–INCORRECT ENGINE OIL TYPE .  
P1572-BRAKE PEDAL STUCK ON . 
P1573-BRAKE PEDAL STUCK OFF . 
P1593-SPEED CONTROL SWITCH 1/2 STUCK. 
P1593-SPEED CONTROL SWITCH 1 STUCK (3.7L, 4.7L). 
P1602–PCM NOT PROGRAMMED .  
P1603-PCM INTERNAL DUAL-PORT RAM COMMUNICATION FAILURE. 
P1604-PCM INTERNAL DUAL-PORT RAM READ/WRITE INTEGRITY FAILUR. 
P1607-PCM INTERNAL SHUTDOWN TIMER SLOW RATIONALITY.  
P1618-SENSOR REFERENCE VOLTAGE 1 CIRCUIT ERRATIC.  
P1628-SENSOR REFERENCE VOLTAGE 2 CIRCUIT ERRATIC.  
P1696-EEPROM MEMORY WRITE DENIED/ INVALID.  
P1697-EMR (SRI) MILEAGE NOT STORED . 
P1897-LEVEL 1 RPM BUS UNLOCK . 
P2072-ELECTRONIC THROTTLE CONTROL SYSTEM - ICE BLOCKAGE.  
P2074-MAP/TPS CORRELLATION - HIGH AIRFLOW/VACUUM LEAK DETECTED.  
P2096-DOWNSTREAM FUEL TRIM SYSTEM 1 LEAN.  
P2097-DOWNSTREAM FUEL TRIM SYSTEM 1 RICH.  
P2098-DOWNSTREAM FUEL TRIM SYSTEM 2 LEAN.  
P2099-DOWNSTREAM FUEL TRIM SYSTEM 2 RICH.  
P2100-ELECTRONIC THROTTLE CONTROL MOTOR CIRCUIT.  
P2101-ELECTRONIC THROTTLE CONTROL MOTOR PERFORMANCE.  
P2107-ELECTRONIC THROTTLE CONTROL MODULE PROCESSOR. .  
P2108-ELECTRONIC THROTTLE CONTROL MODULE PERFORMANCE.  
P2110-ELECTRONIC THROTTLE CONTROL - FORCED LIMITED RPM.  
P2111-ELECTRONIC THROTTLE CONTROL - UNABLE TO CLOSE.  
P2112-ELECTRONIC THROTTLE CONTROL - UNABLE TO OPEN.  
P2115-ACCELERATOR PEDAL POSITION SENSOR 1 MINIMUM STOP PERFORMANCE. 
P2118-ELECTRONIC THROTTLE CONTROL MOTOR CIRCUIT.  
P2122-ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT LOW.  
P2123-ACCELERATOR PEDAL POSITION SENSOR 1 CIRCUIT HIGH. 
P2127-ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT LOW.  
P2128-ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT HIGH.  
P2135-THROTTLE POSITION SENSOR 1/2 CORRELATION.  
P2138-ACCELERATOR PEDAL POSITION SENSOR 1/2 CORRELATION.  
P2161-VEHICLE SPEED SENSOR 2 ERRATIC.  
P2166-ACCELERATOR PEDAL POSITION SENSOR 1 MAXIMUM STOP PERFORMANCE.  
P2167-ACCELERATOR PEDAL POSITION SENSOR 2 MAXIMUM STOP PERFORMANCE. 
P2172-HIGH AIRFLOW/VACUUM LEAK DETECTED (INSTANTANEOUS ACCUMULATION). 
P2173-HIGH AIRFLOW/VACUUM LEAK DETECTED (SLOW ACCUMULATION). 
P2174-LOW AIRFLOW/RESTRICTION DETECTED (INSTANTANEOUS ACCUMULATION). 
P2175-LOW AIRFLOW/RESTRICTION DETECTED (SLOW ACCUMULATION).  
P2181-COOLING SYSTEM PERFORMANCE . 
P2299-BRAKE PEDAL POSITION / ACCELERATOR PEDAL POSITION INCOMPATIBLE.  
P2302-IGNITION COIL 1 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION.  
P2305-IGNITION COIL 2 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION.  
P2308-IGNITION COIL 3 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION. 
P2311-IGNITION COIL 4 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION.  
P2314-IGNITION COIL 5 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION. 
P2317-IGNITION COIL 6 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION.  
P2320-IGNITION COIL 7 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION.  
P2323-IGNITION COIL 8 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION.  
P2503-CHARGING SYSTEM OUTPUT LOW . 
P2610-PCM INTERNAL SHUTDOWN TIMER FAST RATIONALITY 
P3400-MDS RATIONALITY BANK 1  
P3401-MDS SOLENOID 1 CIRCUIT .  
P3402–CYLINDER 1 DEACTIVATION CONTROL PERFORMANCE.  
P3425-MDS SOLENOID 4 CIRCUIT .  8
P3426–CYLINDER 4 DEACTIVATION CONTROL PERFORMANCE.  
P3441-MDS SOLENOID 6 CIRCUIT .  
P3442–CYLINDER 6 DEACTIVATION CONTROL PERFORMANCE. 
P3449-MDS SOLENOID 7 CIRCUIT . 4
P3450–CYLINDER 7 DEACTIVATION CONTROL PERFORMANCE 
P3497-MDS RATIONALITY BANK 2 . 
U0001-CAN C BUS . 
U0101-LOST COMMUNICATION WITH TCM  
U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE 
U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE 
U0155-NO CLUSTER BUS MESSAGE  
U0168-LOST COMMUNICATION WITH SKREEM
U110C-NO FUEL LEVEL BUS MESSAGE RECEIVED
U110E-LOST AMBIENT TEMPERATURE MESSAGE
U1110-LOST VEHICLE SPEED MESSAGE
U1113-LOST A/C PRESSURE MESSAGE
U1120-LOST WHEEL DISTANCE MESSAGE
U1403-IMPLAUSIBLE FUEL LEVEL SIGNAL RECEIVED
U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED
U1417-IMPLAUSIBLE LEFT WHEEL DISTANCE SIGNAL RECEIVED
U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED