Decoding OBD2 codes in your BMW E46 is the first step to understanding and resolving car troubles. The BMW E46, a celebrated series known for its blend of sportiness and luxury, like any modern vehicle, utilizes an On-Board Diagnostics system, specifically OBD2, to monitor various vehicle systems. When something goes amiss, the system generates diagnostic trouble codes (DTCs) to pinpoint the issue. This guide provides an extensive list of Bmw E46 Obd2 Codes to help you understand what your car is trying to tell you.
Understanding these codes can empower you to diagnose problems effectively, decide on the necessary repairs, and communicate more knowledgeably with mechanics. While this list is comprehensive, it’s important to remember that proper diagnosis often requires professional tools and expertise.
BMW E46 OBD2 Trouble Codes: P0000 – P0099 (Fuel and Air Metering and Auxiliary Emission Controls)
- 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/Camshaft Timing Misalignment. This code indicates a rationality error detected for camshaft position being out of phase with the crankshaft.
- 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)
BMW E46 OBD2 Trouble Codes: P0100 – P0199 (Fuel and Air Metering)
- P0100 Mass or Volume Air Flow Circuit Malfunction. This signals insufficient activity in the Mass Air Flow (MAF) sensor circuit.
- 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
- P0128 Range/Performance Problem In Thermostat
- P0129 UNKNOWN CODE
- 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 UNKNOWN CODE
- P0149 UNKNOWN CODE
- 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 UNKNOWN CODE
- P0169 UNKNOWN CODE
- 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
BMW E46 OBD2 Trouble Codes: P0200 – P0299 (Fuel Injector Circuit)
- P0200 Injector Circuit Malfunction
- P0201 Injector Circuit Malfunction – Cylinder 1
- P0202 Injector Circuit Malfunction – Cylinder 2
- P0203 Injector Circuit Malfunction – Cylinder 3
- P0204 Injector Circuit Malfunction – Cylinder 4
- P0205 Injector Circuit Malfunction – Cylinder 5
- P0206 Injector Circuit Malfunction – Cylinder 6
- P0207 Injector Circuit Malfunction – Cylinder 7
- P0208 Injector Circuit Malfunction – Cylinder 8
- P0209 Injector Circuit Malfunction – Cylinder 9
- P0210 Injector Circuit Malfunction – Cylinder 10
- P0211 Injector Circuit Malfunction – Cylinder 11
- P0212 Injector Circuit Malfunction – 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 Overtemp 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 Engine Overboost Condition
- P0235 Turbocharger Boost Sensor A Circuit Malfunction
- P0236 Turbocharger Boost Sensor A Circuit Range/Performance
- P0237 Turbocharger Boost Sensor A Circuit Low
- P0238 Turbocharger Boost Sensor A Circuit High
- P0239 Turbocharger Boost Sensor B Malfunction
- P0240 Turbocharger Boost Sensor B Circuit Range/Performance
- P0241 Turbocharger Boost Sensor B Circuit Low
- P0242 Turbocharger Boost Sensor B Circuit High
- P0243 Turbocharger Wastegate Solenoid A Malfunction
- P0244 Turbocharger Wastegate Solenoid A Range/Performance
- P0245 Turbocharger Wastegate Solenoid A Low
This list covers a wide range of potential OBD2 codes you might encounter in your BMW E46. When diagnosing issues, always start by noting down the exact code and then consult this list for a preliminary understanding. Remember to use a reliable OBD2 scanner to retrieve accurate codes from your BMW E46’s diagnostic port.
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Alt text: BMW E46 OBD2 port location, typically found under the dashboard on the driver’s side. Image shows the diagnostic port for connecting an OBD2 scanner in a BMW E46 for reading fault codes.
Disclaimer: This OBD2 code list is for informational purposes only. Diagnosing and repairing vehicle issues should be performed by qualified professionals. Always consult your BMW E46 repair manual and a certified mechanic for accurate diagnosis and repair procedures.
