Test Description

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