C0428 Volkswagen Sedan OBD Code

OBD/2 C0428 error code description and symptoms.

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

C0428 Volkswagen Sedan Error Code Repair Process :

For air bag passenger pressure switch circuit failure check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. C0428 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks air bag passenger pressure switch circuit failure with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Volkswagen Sedan C0428 OBD2 Code

A common cause of code C0428 is the failure of Air Bag Passenger Pressure Switch Circuit Failure, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
1Camshaft Position Sensor circuit poor electrical connection
Exhaust tube
Radio frequency interference (RFI)

C0428 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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C0428 Volkswagen Sedan OBD Code

C0428 Volkswagen Sedan Error Code Repair Process :

Common Causes of Volkswagen Sedan C0428 OBD2 Code

C0428 code for other Volkswagen cars