C0442 Trouble Code

View C0442 obd/2 error code description and symptoms. C0442 engine photo

EGR Flow Insufficient Detected The EGR system is monitored during steady state driving conditions while the EGR is commanded on.
The test fails when the signal from the DPF EGR sensor indicates that EGR flow is less than the desired minimum. Vacuum supply EGR valve stuck closed EGR valve leaks vacuum EGR flow path restricted EGRVR circuit shorted to PWR VREF open to D.P.F. EGR sensor D.P.F. EGR sensor downstream hose off or plugged EGRVR circuit open to PCM VPWR open to EGRVR solenoid D.P.F. EGR sensor hoses both off D.P.F. EGR sensor hoses reversed Damaged EGR orifice tube Damaged EGRVR solenoid Damaged PCM Perform KOER self-test and look for DTC C0442 as an indication of a hard fault.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

Difficulty Level (Soso)
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Repair Time (50 Min.)
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Cost Prediction : $ 40-75

C0442 Error Code Repair Process :

If your air bag crash sensor #1 ground circuit short to ground check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C0442 and engine control unit are in charge of monitoring a bunch of different air bag crash sensor #1 ground circuit short to ground, and if they get a reading that's a little out of whack, up pops the check engine light.

Wrench Tool C0442 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.

Common Causes of C0442

A common cause of code C0442 is the failure of Air Bag Crash Sensor #1 Ground Circuit Short To Ground, but there are several other possible causes as well, such as ;

C0442 code for all cars

You can view according C0442 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0442 Holden Lx +C0442 Isdera Commendatore +C0442 Hrg 1.5 Litre +C0442 Mitsubishi Outlander Ii +C0442 Siata Amica

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