Onboard Diagnostics II (OBD-II) is a standardized system that monitors and reports potential issues within a vehicle’s engine and other essential systems.
Among the various codes generated by OBD-II, those starting with “P0XXX” specifically relate to powertrain issues.
In this comprehensive guide, we’ll delve into what P0XXX OBD codes are, the significance of the prefixes, and how to effectively diagnose and address them.
What are P0XXX OBD Codes?
The P0XXX series of OBD-II trouble codes encompasses a wide range of generic powertrain-related issues. Each code in this series provides information about a specific problem detected within the vehicle’s powertrain, which includes the engine, transmission, and other vital components.
The structure of OBD-II codes is standardized, with the “P” indicating that the code is related to the powertrain. The following three characters (e.g., P0XXX) provide more specific details about the nature of the issue. These codes are vital for mechanics and technicians during the diagnostic process, helping them pinpoint and address problems efficiently.
Common P0XXX Codes and Their Significance:
- P0001 – Fuel Volume Regulator Control Circuit/Open
- P0002 – Fuel Volume Regulator Control Circuit Range/Performance
- P0003 – Fuel Volume Regulator Control Circuit Low
- P0004 – Fuel Volume Regulator Control Circuit High
- P0005 – Fuel Shutoff Valve “A” Control Circuit/Open
- P0006 – Fuel Shutoff Valve “A” Control Circuit Low
- P0007 – Fuel Shutoff Valve “A” Control Circuit High
- P0008 – Engine Position System Performance (Bank 1)
- P0009 – Engine Position System Performance (Bank 2)
- P0010 – “A” Camshaft Position Actuator Circuit (Bank 1)
- P0011 – “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1)
- P0012 – “A” Camshaft Position – Timing Over-Retarded (Bank 1)
- P0013 – “B” Camshaft Position Actuator Circuit (Bank 1)
- P0014 – “B” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1)
- P0015 – “B” Camshaft Position – Timing Over-Retarded (Bank 1)
- P0016 – Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor “A”)
- P0017 – Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor “B”)
- P0018 – Crankshaft Position – Camshaft Position Correlation (Bank 2 Sensor “A”)
- P0019 – Crankshaft Position – Camshaft Position Correlation (Bank 2 Sensor “B”)
- P0020 – “A” Camshaft Position Actuator Circuit (Bank 2)
- P0021 – “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2)
- P0022 – “A” Camshaft Position – Timing Over-Retarded (Bank 2)
- P0023 – “B” Camshaft Position Actuator Circuit (Bank 2)
- P0024 – “B” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2)
- P0025 – “B” Camshaft Position – Timing Over-Retarded (Bank 2)
- P0026 – Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)
- P0027 – Exhaust Valve Control Solenoid Circuit Range/Performance (Bank 1)
- P0028 – Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)
- P0029 – Exhaust Valve Control Solenoid Circuit Range/Performance (Bank 2)
- P0030 – Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 Sensor 1)
- P0031 – Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage (Bank 1 Sensor 1)
- P0032 – Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage (Bank 1 Sensor 1)
- P0033 – Turbo Charger Bypass Valve Control Circuit
- P0034 – Turbo Charger Bypass Valve Control Circuit Low
- P0035 – Turbo Charger Bypass Valve Control Circuit High
- P0036 – Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 Sensor 2)
- P0037 – Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage (Bank 1 Sensor 2)
- P0038 – Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage (Bank 1 Sensor 2)
- P0039 – Turbo/Super Charger Bypass Valve Control Circuit Range/Performance
- P0040 – Turbo/Super Charger Bypass Valve Control Circuit/Open
- P0041 – Turbo/Super Charger Bypass Valve Control Circuit Low
- P0042 – Turbo/Super Charger Bypass Valve Control Circuit High
- P0043 – Turbo/Super Charger Boost Control Solenoid Circuit/Open
- P0044 – Turbo/Super Charger Boost Control Solenoid Circuit Low
- P0045 – Turbo/Super Charger Boost Control Solenoid Circuit High
- P0046 – Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance
- P0047 – Turbo/Super Charger Boost Control Solenoid Circuit Low
- P0048 – Turbo/Super Charger Boost Control Solenoid Circuit High
- P0049 – Turbo/Super Charger Turbine Overspeed
- P0050 – Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 2 Sensor 1)
- P0051 – Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage (Bank 2 Sensor 1)
- P0052 – Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage (Bank 2 Sensor 1)
- P0053 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 Sensor 1)
- P0054 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 Sensor 2)
- P0055 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 2 Sensor 1)
- P0056 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 2 Sensor 2)
- P0057 – Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 2 Sensor 2)
- P0058 – Heated Oxygen Sensor (HO2S) Heater Control Circuit High (Bank 2 Sensor 2)
- P0059 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 Sensor 3)
- P0060 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 2 Sensor 3)
- P0061 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 2 Sensor 4)
- P0062 – Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 Sensor 4)
- P0063 – Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1 Sensor 3)
- P0064 – Heated Oxygen Sensor (HO2S) Heater Control Circuit High (Bank 1 Sensor 3)
- P0065 – Air Assisted Injector Control Range/Performance
- P0066 – Air Assisted Injector Control Circuit or Circuit Low
- P0067 – Air Assisted Injector Control Circuit High
- P0068 – MAP/MAF – Throttle Position Correlation
- P0069 – Manifold Absolute Pressure (MAP) Barometric Pressure Correlation
- P0070 – Ambient Air Temperature Sensor Circuit
- P0071 – Ambient Air Temperature Sensor Range/Performance
- P0072 – Ambient Air Temperature Sensor Circuit Low
- P0073 – Ambient Air Temperature Sensor Circuit High
- P0074 – Ambient Air Temperature Sensor Circuit Intermittent
- P0075 – Intake Valve Control Solenoid Circuit (Bank 1)
- P0076 – Intake Valve Control Solenoid Circuit Low (Bank 1)
- P0077 – Intake Valve Control Solenoid Circuit High (Bank 1)
- P0078 – Exhaust Valve Control Solenoid Circuit (Bank 1)
- P0079 – Exhaust Valve Control Solenoid Circuit Low (Bank 1)
- P0080 – Exhaust Valve Control Solenoid Circuit High (Bank 1)
- P0081 – Intake Valve Control Solenoid Circuit (Bank 2)
- P0082 – Intake Valve Control Solenoid Circuit Low (Bank 2)
- P0083 – Intake Valve Control Solenoid Circuit High (Bank 2)
- P0084 – Exhaust Valve Control Solenoid Circuit (Bank 2)
- P0085 – Exhaust Valve Control Solenoid Circuit Low (Bank 2)
- P0086 – Exhaust Valve Control Solenoid Circuit High (Bank 2)
- P0087 – Fuel Rail/System Pressure – Too Low
- P0088 – Fuel Rail/System Pressure – Too High
- P0089 – Fuel Pressure Regulator 1 Performance
- P0090 – Fuel Pressure Regulator 1 Control Circuit
- P0091 – Fuel Pressure Regulator 1 Control Circuit Low
- P0092 – Fuel Pressure Regulator 1 Control Circuit High
- P0093 – Fuel System Leak Detected – Large Leak
- P0094 – Fuel System Leak Detected – Small Leak
- P0095 – Intake Air Temperature Sensor 2 Circuit
- P0096 – Intake Air Temperature Sensor 2 Circuit Range/Performance
- P0097 – Intake Air Temperature Sensor 2 Circuit Low
- P0098 – Intake Air Temperature Sensor 2 Circuit High
- P0099 – Intake Air Temperature Sensor 2 Circuit Intermittent
- P0100 – Mass or Volume Air Flow Circuit Malfunction
- P0101 – Mass or Volume Air Flow Circuit Range/Performance Problem
- P0102 – Mass or Volume Air Flow Circuit Low Input
- P0103 – Mass or Volume Air Flow Circuit High Input
- P0104 – Mass or Volume Air Flow Circuit Intermittent
- P0105 – Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
- P0106 – Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
- P0107 – Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
- P0108 – Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- P0109 – Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent
- P0110 – Intake Air Temperature Circuit Malfunction
- P0111 – Intake Air Temperature Circuit Range/Performance Problem
- P0112 – Intake Air Temperature Circuit Low Input
- P0113 – Intake Air Temperature Circuit High Input
- P0114 – Intake Air Temperature Circuit Intermittent
- P0115 – Engine Coolant Temperature Circuit Malfunction
- P0116 – Engine Coolant Temperature Circuit Range/Performance Problem
- P0117 – Engine Coolant Temperature Circuit Low Input
- P0118 – Engine Coolant Temperature Circuit High Input
- P0119 – Engine Coolant Temperature Circuit Intermittent
- P0120 – Throttle/Pedal Position Sensor/Switch ‘A’ Circuit Malfunction
- P0121 – Throttle/Pedal Position Sensor/Switch ‘A’ Circuit Range/Performance Problem
- P0122 – Throttle/Pedal Position Sensor/Switch ‘A’ Circuit Low Input
- P0123 – Throttle/Pedal Position Sensor/Switch ‘A’ Circuit High Input
- P0124 – Throttle/Pedal Position Sensor/Switch ‘A’ Circuit Intermittent
- P0125 – Insufficient Coolant Temperature for Closed Loop Fuel Control
- P0126 – Insufficient Coolant Temperature for Stable Operation
- P0127 – Throttle/Pedal Position Sensor/Switch ‘D’ Circuit Malfunction
- P0128 – Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- P0129 – Barometric Pressure Too Low
- P0130 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
- P0131 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
- P0132 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
- P0133 – O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
- P0134 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
- P0135 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- P0136 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)
- P0137 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
- P0138 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
- P0139 – O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
- P0140 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
- P0141 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
- P0142 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)
- P0143 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)
- P0144 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)
- P0145 – O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)
- P0146 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)
- P0147 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 3)
- P0148 – Fuel Delivery Error
- P0149 – Fuel Timing Error
- P0150 – O2 Sensor Circuit Malfunction (Bank 2 Sensor 1)
- P0151 – O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)
- P0152 – O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
- P0153 – O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)
- P0154 – O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
- P0155 – O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
- P0156 – O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)
- P0157 – O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
- P0158 – O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)
- P0159 – O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)
- P0160 – O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
- P0161 – O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
- P0162 – O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)
- P0163 – O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
- P0164 – O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)
- P0165 – O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)
- P0166 – O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
- P0167 – O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)
- P0168 – Fuel Temperature Too High
- P0169 – Incorrect Fuel Composition
- P0170 – Fuel Trim Malfunction (Bank 1)
- P0171 – System Too Lean (Bank 1)
- P0172 – System Too Rich (Bank 1)
- P0173 – Fuel Trim Malfunction (Bank 2)
- P0174 – System Too Lean (Bank 2)
- P0175 – System Too Rich (Bank 2)
- P0176 – Fuel Composition Sensor Circuit Malfunction
- P0177 – Fuel Composition Sensor Circuit Range/Performance
- P0178 – Fuel Composition Sensor Circuit Low Input
- P0179 – Fuel Composition Sensor Circuit High Input
- P0180 – Fuel Temperature Sensor A Circuit Malfunction
- P0181 – Fuel Temperature Sensor A Circuit Range/Performance
- P0182 – Fuel Temperature Sensor A Circuit Low Input
- P0183 – Fuel Temperature Sensor A Circuit High Input
- P0184 – Fuel Temperature Sensor A Circuit Intermittent
- P0185 – Fuel Temperature Sensor B Circuit Malfunction
- P0186 – Fuel Temperature Sensor B Circuit Range/Performance
- P0187 – Fuel Temperature Sensor B Circuit Low Input
- P0188 – Fuel Temperature Sensor B Circuit High Input
- P0189 – Fuel Temperature Sensor B Circuit Intermittent
- P0190 – Fuel Rail Pressure Sensor Circuit Malfunction
- P0191 – Fuel Rail Pressure Sensor Circuit Range/Performance
- P0192 – Fuel Rail Pressure Sensor Circuit Low Input
- P0193 – Fuel Rail Pressure Sensor Circuit High Input
- P0194 – Fuel Rail Pressure Sensor Circuit Intermittent
- P0195 – Engine Oil Temperature Sensor Malfunction
- P0196 – Engine Oil Temperature Sensor Range/Performance
- P0197 – Engine Oil Temperature Sensor Low
- P0198 – Engine Oil Temperature Sensor High
- P0199 – Engine Oil Temperature Sensor Intermittent
- P0200 – Injector Circuit Malfunction
- P0201 – Injector Circuit/Open – Cylinder 1
- P0202 – Injector Circuit/Open – Cylinder 2
- P0203 – Injector Circuit/Open – Cylinder 3
- P0204 – Injector Circuit/Open – Cylinder 4
- P0205 – Injector Circuit/Open – Cylinder 5
- P0206 – Injector Circuit/Open – Cylinder 6
- P0207 – Injector Circuit/Open – Cylinder 7
- P0208 – Injector Circuit/Open – Cylinder 8
- P0209 – Injector Circuit/Open – Cylinder 9
- P0210 – Injector Circuit/Open – Cylinder 10
- P0211 – Injector Circuit/Open – Cylinder 11
- P0212 – Injector Circuit/Open – Cylinder 12
- P0213 – Cold Start Injector 1 Malfunction
- P0214 – Cold Start Injector 2 Malfunction
- P0215 – Engine Shutoff Solenoid Malfunction
- P0216 – Injection Timing Control Circuit Malfunction
- P0217 – Engine Over Speed Condition
- P0218 – Transmission Over Temperature Condition
- P0219 – Engine Overspeed Condition
- P0220 – Throttle/Pedal Position Sensor/Switch ‘B’ Circuit Malfunction
- P0221 – Throttle/Pedal Position Sensor/Switch ‘B’ Circuit Range/Performance Problem
- P0222 – Throttle/Pedal Position Sensor/Switch ‘B’ Circuit Low Input
- P0223 – Throttle/Pedal Position Sensor/Switch ‘B’ Circuit High Input
- P0224 – Throttle/Pedal Position Sensor/Switch ‘B’ Circuit Intermittent
- P0225 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit Malfunction
- P0226 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit Range/Performance Problem
- P0227 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit Low Input
- P0228 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit High Input
- P0229 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit Intermittent
- P0230 – Fuel Pump Primary Circuit Malfunction
- P0231 – Fuel Pump Secondary Circuit Low
- P0232 – Fuel Pump Secondary Circuit High
- P0233 – Fuel Pump Secondary Circuit Intermittent
- P0234 – Turbo/Super Charger Overboost Condition
- P0235 – Turbo/Super Charger Boost Sensor ‘A’ Circuit Malfunction
- P0236 – Turbo/Super Charger Boost Sensor ‘A’ Circuit Range/Performance
- P0237 – Turbo/Super Charger Boost Sensor ‘A’ Circuit Low
- P0238 – Turbo/Super Charger Boost Sensor ‘A’ Circuit High
- P0239 – Turbo/Super Charger Boost Sensor ‘B’ Circuit Malfunction
- P0240 – Turbo/Super Charger Boost Sensor ‘B’ Circuit Range/Performance
- P0241 – Turbo/Super Charger Boost Sensor ‘B’ Circuit Low
- P0242 – Turbo/Super Charger Boost Sensor ‘B’ Circuit High
- P0243 – Turbocharger Wastegate Solenoid A Malfunction
- P0244 – Turbocharger Wastegate Solenoid A Range/Performance
- P0245 – Turbocharger Wastegate Solenoid A Low
- P0246 – Turbocharger Wastegate Solenoid A High
- P0247 – Turbocharger Wastegate Solenoid B Malfunction
- P0248 – Turbocharger Wastegate Solenoid B Range/Performance
- P0249 – Turbocharger Wastegate Solenoid B Low
- P0250 – Turbocharger Wastegate Solenoid B High
- P0251 – Injection Pump Fuel Metering Control “A” (Cam/Rotor/Injector)
- P0252 – Injection Pump Fuel Metering Control “A” Range/Performance (Cam/Rotor/Injector)
- P0253 – Injection Pump Fuel Metering Control “A” Low (Cam/Rotor/Injector)
- P0254 – Injection Pump Fuel Metering Control “A” High (Cam/Rotor/Injector)
- P0255 – Injection Pump Fuel Metering Control “A” Intermittent (Cam/Rotor/Injector)
- P0256 – Injection Pump Fuel Metering Control “B” (Cam/Rotor/Injector)
- P0257 – Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector)
- P0258 – Injection Pump Fuel Metering Control “B” Low (Cam/Rotor/Injector)
- P0259 – Injection Pump Fuel Metering Control “B” High (Cam/Rotor/Injector)
- P0260 – Injection Pump Fuel Metering Control “B” Intermittent (Cam/Rotor/Injector)
- P0261 – Cylinder 1 Injector Circuit Low
- P0262 – Cylinder 1 Injector Circuit High
- P0263 – Cylinder 1 Contribution/Balance Fault
- P0264 – Cylinder 2 Injector Circuit Low
- P0265: Cylinder 2 Injector Circuit High
- P0266: Cylinder 2 Injector Circuit Low
- P0267: Cylinder 3 Injector Circuit High
- P0268: Cylinder 3 Injector Circuit Low
- P0269: Cylinder 4 Injector Circuit High
- P0270: Cylinder 4 Injector Circuit Low
- P0271: Cylinder 5 Injector Circuit High
- P0272: Cylinder 5 Injector Circuit Low
- P0273: Cylinder 6 Injector Circuit High
- P0274: Cylinder 6 Injector Circuit Low
- P0275: Cylinder 7 Injector Circuit High
- P0276: Cylinder 7 Injector Circuit Low
- P0277: Cylinder 8 Injector Circuit High
- P0278: Cylinder 8 Injector Circuit Low
- P0279: Cylinder 9 Injector Circuit High
- P0280: Cylinder 9 Injector Circuit Low
- P0281: Cylinder 10 Injector Circuit High
- P0282: Cylinder 10 Injector Circuit Low
- P0283: Cylinder 11 Injector Circuit High
- P0284: Cylinder 11 Injector Circuit Low
- P0285: Cylinder 12 Injector Circuit High
- P0286: Cylinder 12 Injector Circuit Low
- P0287: Cylinder 13 Injector Circuit High
- P0288: Cylinder 13 Injector Circuit Low
- P0289: Cylinder 14 Injector Circuit High
- P0290: Cylinder 14 Injector Circuit Low
- P0291: Cylinder 15 Injector Circuit High
- P0292: Cylinder 15 Injector Circuit Low
- P0293: Cylinder 16 Injector Circuit High
- P0294: Cylinder 16 Injector Circuit Low
- P0295: Cylinder 17 Injector Circuit High
- P0296: Cylinder 17 Injector Circuit Low
- P0297: Cylinder 18 Injector Circuit High
- P0298: Cylinder 18 Injector Circuit Low
- P0299: Turbo/Supercharger Underboost
- P0300: Random/Multiple Cylinder Misfire Detected
- P0301 to P0312: Cylinder Misfire Detected (Cylinders 1 to 12)
- P0400: Exhaust Gas Recirculation Flow Malfunction
- P0401: Exhaust Gas Recirculation Flow Insufficient Detected
- P0402: Exhaust Gas Recirculation Flow Excessive Detected
- P0403: Exhaust Gas Recirculation Circuit Malfunction
- P0404: Exhaust Gas Recirculation Circuit Range/Performance
- P0405: Exhaust Gas Recirculation Sensor A Circuit Low
- P0406: Exhaust Gas Recirculation Sensor A Circuit High
- P0407: Exhaust Gas Recirculation Sensor B Circuit Low
- P0408: Exhaust Gas Recirculation Sensor B Circuit High
- P0409: Exhaust Gas Recirculation Sensor A Circuit
- P0442: Evaporative Emission Control System Leak Detected (Small Leak)
- P0500: Vehicle Speed Sensor ‘A’ Malfunction
- P0501: Vehicle Speed Sensor ‘A’ Range/Performance
- P0502: Vehicle Speed Sensor ‘A’ Circuit Low Input
- P0503: Vehicle Speed Sensor ‘A’ Intermittent/Erratic/High Input
- P0600: Serial Communication Link Malfunction
- P0780: Shift Malfunction
Conclusion:
Understanding and diagnosing P0XXX OBD codes is crucial for maintaining vehicle health and performance.
By following a systematic approach to diagnosis and leveraging the information provided by these codes, both vehicle owners and professionals can effectively address issues within the powertrain, ensuring optimal functionality and reliability.
Regular monitoring and prompt action based on OBD-II codes contribute to overall vehicle longevity and efficiency.