U20A4 Chrysler Kew OBD Code

OBD/2 U20A4 error code description and symptoms.

The input turbine speed sensor detects rotation of the input shaft of the input shaft speed sensor transmission. The computer uses that information, along with the output shaft speed sensor to determine if the transmission is operating according to plan. If the computer detects a difference between the input shaft speed , and the expected output shaft speed, it will adjust transmission pump pressure to prevent clutch disc slip. If adding pressure doesn't solve the problem, it will set a trouble code.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

U20A4 Chrysler Kew Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U20A4 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 air bag driver circuit open - loop #2 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 air bag driver circuit open - loop #2.

Common Causes of Chrysler Kew U20A4 OBD2 Code

A common cause of code U20A4 is the failure of Air Bag Driver Circuit Open - Loop #2, but there are several other possible causes as well, such as ;

Faulty Air Flow Meter
EVAP system hose leaking
Fuel injectors may be faulty
Variable Valve Timing (VVT) circuit is open or shorted

U20A4 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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U20A4 Chrysler Kew OBD Code

U20A4 Chrysler Kew Error Code Repair Process :

Common Causes of Chrysler Kew U20A4 OBD2 Code

U20A4 code for other Chrysler cars