P0642 Trouble Code: Meaning, Symptoms, Causes & Fixes
The P0642 trouble code technically means “Sensor Reference Voltage “A” Circuit Low”. Here’s exactly what you need to do to fix it.
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.
The P0642 trouble code technically means “Sensor Reference Voltage “A” Circuit Low”. Here’s exactly what you need to do to fix it.
The P2302 trouble code technically means “Ignition Coil “A” Secondary Circuit Insufficient Ionization”. Here’s exactly what you need to do to fix it.
The P261B trouble code technically means “Cooling Pump “B” Control Circuit/Open”. Here’s exactly what you need to do to fix it.
The P062D trouble code technically means “Fuel Injector Driver Circuit Performance Bank 1”. Here’s exactly what you need to do to fix it.
The PO153 trouble code technically means “O2 Sensor Circuit Slow Response (Bank 2, Sensor 1)”. Here’s exactly what you need to do to fix it.
The P2701 trouble code technically means “Transmission Friction Element B Apply Time Range/Performance”. Here’s exactly what you need to do to fix it.
The P2103 trouble code technically means “Throttle Actuator Control Motor Circuit High”. Here’s exactly what you need to do to fix it.
The P0444 trouble code technically means “Evaporative Emission Control System Purge Control Valve Circuit Open”. Here’s exactly what you need to do to fix it.
The P0411 trouble code technically means “Secondary Air Injection System Incorrect Flow Detected”. Here’s exactly what you need to do to fix it.
The P0490 trouble code technically means “Exhaust Gas Recirculation “A” Control Circuit High”. Here’s exactly what you need to do to fix it.
The P1605 trouble code technically means “Knock Control CPU Malfunction”. Here’s exactly what you need to do to fix it.
The P0445 trouble code technically means “Evaporative Emission Control System Purge Control Valve Circuit Shorted”. Here’s exactly what you need to do to fix it.
The P0056 trouble code technically means “HO2S Heater Control Circuit Bank 2 Sensor 2”. Here’s exactly what you need to do to fix it.
The P0671 trouble code technically means “Cylinder 1 Glow Plug Circuit/Open”. Here’s exactly what you need to do to fix it.
The P0511 trouble code technically means “Idle Air Control Circuit Malfunction”. Here’s exactly what you need to do to fix it.