Test Description

WARNING: This page is about a different car, the 1995 Oldsmobile Ninety-Eight and 1995 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Test numbers refer to numbers on diagnostic chart.

Checks if EBTCM is able to transmit data and ensures serial data circuit to EBTCM is not open.

Fig 1: Code P1573 Schematic (3.8L) Traction Control Fault Loss Of ABS/TCS Serial Data

Fig 2: Code P1573 Diagnostic Flow Chart (3.8L) Traction Control Fault Loss Of ABS/TCS Serial Data