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Trouble Codes

Here’s a list of all diagnostic trouble codes (DTC) and OBD-II codes (OBD2). For each one, we describe the meaning, symptoms, causes and how you can fix the issue.

P0390 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 13, 2024
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The P0390 trouble code technically means “Camshaft Position Sensor ‘B’ Circuit (Bank 2)”. Here’s exactly what you need to do to fix it.

P0069 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 13, 2024
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The P0069 trouble code technically means “Manifold Absolute Pressure – Barometric Pressure Correlation”. Here’s exactly what you need to do to fix it.

P0544 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 13, 2024
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The P0544 trouble code technically means “Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 1”. Here’s exactly what you need to do to fix it.

P051B Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 13, 2024
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The P051B trouble code technically means “Crankcase Pressure Sensor Circuit Range/Performance”. Here’s exactly what you need to do to fix it.

P0394 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 13, 2024
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The P0394 trouble code technically means “Camshaft Position Sensor B Circuit Intermittent (Bank 2)”. Here’s exactly what you need to do to fix it.

P0235 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 13, 2024
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The P0235 trouble code technically means “Turbocharger Boost Sensor A Circuit Malfunction”. Here’s exactly what you need to do to fix it.

P1451 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P1451 trouble code technically means “Evaporative Emission Control System Vent Control Valve Circuit Malfunction”. Here’s exactly what you need to do to fix it.

P261A Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P261A trouble code technically means “Coolant Pump ‘A’ Control Circuit/Open”. Here’s exactly what you need to do to fix it.

P0481 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P0481 trouble code technically means “Cooling Fan 2 Control Circuit Malfunction”. Here’s exactly what you need to do to fix it.

P0691 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P0691 trouble code technically means “Fan 1 Relay Control Circuit Low Voltage”. Here’s exactly what you need to do to fix it.

P0076 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P0076 trouble code technically means “Intake Valve Control Solenoid Circuit Low (Bank 1)”. Here’s exactly what you need to do to fix it.

P2294 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P2294 trouble code technically means “Fuel Pressure Regulator 2 Control Circuit/Open”. Here’s exactly what you need to do to fix it.

P0266 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P0266 trouble code technically means “Cylinder 2 Contribution/Balance Fault”. Here’s exactly what you need to do to fix it.

P219D Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P219D trouble code technically means “Fuel Trim Cylinder Balance Bank 2. Here’s exactly what you need to do to fix it.

P0970 Trouble Code: Meaning, Symptoms, Causes & Fixes

By Jeffrey MonahanMay 11, 2024
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The P0970 trouble code technically means “Pressure Control Solenoid ‘C’ Control Circuit Low”. Here’s exactly what you need to do to fix it.

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