C20AF Nissan Langley OBD Code

OBD/2 C20AF error code description and symptoms.

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

C20AF Nissan Langley Error Code Repair Process :

If your downstream heated o2 sensors swapped 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 C20AF and engine control unit are in charge of monitoring a bunch of different downstream heated o2 sensors swapped, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Expert)
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Repair Time (60 Min.)
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Cost Prediction : $ 80-120

Common Causes of Nissan Langley C20AF OBD2 Code

A common cause of code C20AF is the failure of Downstream Heated O2 Sensors Swapped, but there are several other possible causes as well, such as ;
Wrench Tool C20AF 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.

C20AF code for other Nissan cars

You can view according C20AF DTC for your car model. We selected several models to see obd2 solutions click and view it.

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

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