U2128 Holden Ht OBD Code

OBD/2 U2128 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 U2128. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for U2128

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

U2128 Holden Ht Error Code Repair Process :

If your rescu/vems input circuit short to battery 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 U2128 and engine control unit are in charge of monitoring a bunch of different rescu/vems input circuit short to battery, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Holden Ht U2128 OBD2 Code

A common cause of code U2128 is the failure of RESCU/VEMS Input Circuit Short to Battery, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Dirty Oil
Faulty spark plug (s)
Oil flow restriction in the oil passages or the variable camshaft timing (VCT) valve body

U2128 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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U2128 Holden Ht OBD Code

U2128 Holden Ht Error Code Repair Process :

Common Causes of Holden Ht U2128 OBD2 Code

U2128 code for other Holden cars