P029D Chevrolet Nubira OBD Code

OBD/2 P029D error code description and symptoms.

Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). This DTC is set the same way as P029D. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P029D

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.

P029D Chevrolet Nubira Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P029D 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 evaporative emission control system vent control circuit shorted 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 evaporative emission control system vent control circuit shorted.

Common Causes of Chevrolet Nubira P029D OBD2 Code

A common cause of code P029D is the failure of Evaporative Emission Control System Vent Control Circuit Shorted, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Faulty Variable Camshaft Timing (VCT) position solenoid
EVAP canister or fuel tank leaks
Faulty Variable Camshaft Timing (VCT) position solenoid

P029D 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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P029D Chevrolet Nubira OBD Code

P029D Chevrolet Nubira Error Code Repair Process :

Common Causes of Chevrolet Nubira P029D OBD2 Code

P029D code for other Chevrolet cars