P1858 Volkswagen Passat B5 OBD Code

OBD/2 P1858 error code description and symptoms.

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

Gear changes are accomplished by a command from the TCM to energize the clutch actuator to release the clutch; after which various actuators inside the transmission disengage the current gear, and depending on current operating conditions, engage the next higher or lower gear ratio. All of this happens much faster than a human driver could change gears, and in most applications, gear changes are as smooth and seamless as on any fully automatic transmission.

P1858 Volkswagen Passat B5 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P1858 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p1858 transmission transfer case contact plate d circuit failure so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p1858 transmission transfer case contact plate d circuit failure.

Common Causes of Volkswagen Passat B5 P1858 OBD2 Code

A common cause of code P1858 is the failure of P1858 Transmission Transfer Case Contact Plate D Circuit Failure, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Faulty Fuel injector
Faulty Crankshaft Position Sensor (POS)
Damaged camshaft position (CMP) sensor

P1858 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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P1858 Volkswagen Passat B5 OBD Code

P1858 Volkswagen Passat B5 Error Code Repair Process :

Common Causes of Volkswagen Passat B5 P1858 OBD2 Code

P1858 code for other Volkswagen cars