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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Automatic Transmission - 5L40-E (DTC P0115 To P0742)) >> Automatic Transaxle Diagnosis >> DTC P0500 >> Circuit Description

Circuit Description

WARNING: This page is about a different variant/trim than selected.

The transmission control module (TCM) provides the engine control module (ECM) vehicle speed through high-speed communications on the controller area network (CAN). Vehicle speed is produced by the AC current generated through the transmission output shaft speed (OSS) sensor as the output shaft rotates. The ECM continuously monitors the vehicle speed signal supplied by the TCM.

When the ECM detects very low vehicle speed, while the vehicle is in motion, DTC P0500 sets. DTC P0500 is a type B DTC.

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