P20F6 Nissan R391 OBD Code

OBD/2 P20F6 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

P20F6 Nissan R391 Error Code Repair Process :

The rule of P20F6 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of p20f6 reductant injection valve stuck open bank 1 unit 1. Likewise, overriding the OBD P20F6 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Nissan R391 P20F6 OBD2 Code

A common cause of code P20F6 is the failure of P20F6 Reductant Injection Valve Stuck Open Bank 1 Unit 1, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Dirty Oil
Incorrect fuel pressure
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted

P20F6 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

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

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P20F6 Nissan R391 OBD Code

P20F6 Nissan R391 Error Code Repair Process :

Common Causes of Nissan R391 P20F6 OBD2 Code

P20F6 code for other Nissan cars