What does code P1573 mean?

Q: What does code P1573 mean?

PCM EBTCM Serial Data Circuit. P1573 on Chrysler vehicles indicates a communication failure on the serial data circuit between the Powertrain Control Module (PCM) and the Electronic Brake and Traction Control Module (EBTCM). The PCM expects a regular heartbeat message from the EBTCM over this dedicated serial link, and when that message is missing or corrupted for a set number of consecutive cycles, the PCM stores this code and illuminates the warning light.

DTC codes / Chrysler codes / P1573

P1573 · ChryslerPCM EBTCM Serial Data Circuit

P1573 on Chrysler vehicles indicates a communication failure on the serial data circuit between the Powertrain Control Module (PCM) and the Electronic Brake and Traction Control Module (EBTCM). The PCM expects a regular heartbeat message from the EBTCM over this dedicated serial link, and when that message is missing or corrupted for a set number of consecutive cycles, the PCM stores this code and illuminates the warning light.

SystemPowertrain

Code typeChrysler specific

SeverityMedium

Fix difficultyProfessional

AreaVehicle speed, idle control and auxiliary inputs

Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.