U20A6 Nissan Autech OBD Code

OBD/2 U20A6 error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

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.

U20A6 Nissan Autech Error Code Repair Process :

If your air bag driver inflator circuit resistance low on squib - loop #2 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 U20A6 and engine control unit are in charge of monitoring a bunch of different air bag driver inflator circuit resistance low on squib - loop #2, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Nissan Autech U20A6 OBD2 Code

A common cause of code U20A6 is the failure of Air Bag Driver Inflator Circuit Resistance Low on Squib - Loop #2, but there are several other possible causes as well, such as ;

Exhaust tube
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Faulty Mass Air Flow (MAF) sensor
Exhaust gas leaks

U20A6 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

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

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U20A6 Nissan Autech OBD Code

U20A6 Nissan Autech Error Code Repair Process :

Common Causes of Nissan Autech U20A6 OBD2 Code

U20A6 code for other Nissan cars