Symptom Chart

Condition	Possible Sources	Action
The powertrain control module (PCM) does not respond to the scan tool, or no high speed controller area network (HS-CAN) communication	Fuse Circuitry PCM Instrument cluster Anti-lock brake system (ABS) module	Go to Pinpoint Test A .
The anti-lock brake system (ABS) module does not respond to the scan tool	Fuse Circuitry ABS module	Go to Pinpoint Test B .
The instrument cluster does not respond to the scan tool	Fuse Circuitry Instrument cluster	Go to Pinpoint Test C .
The smart junction box (SJB) does not respond to the scan tool	Fuse Circuitry SJB	Go to Pinpoint Test D .
The electronic automatic temperature control (EATC) module does not respond to the scan tool	Fuse Circuitry EATC module	Go to Pinpoint Test E .
The speed control actuator does not respond to the scan tool	Fuse Circuitry Speed control actuator	Go to Pinpoint Test F .
The driver seat module (DSM) does not respond to the scan tool	Fuse Circuitry DSM	Go to Pinpoint Test G .
The driver/passenger climate controlled seat module does not respond to the scan tool	Fuse Circuitry Driver/passenger climate controlled seat module	Go to Pinpoint Test H .
The restraints control module (RCM) does not respond to the scan tool	Fuse Circuitry RCM	Go to Pinpoint Test I .
The parking aid module does not respond to the scan tool	Fuse Circuitry Parking aid module	Go to Pinpoint Test J .
The LH or RH power sliding door (PSD) module does not respond to the scan tool	Fuse Circuitry LH PSD module or RH PSD module	Go to Pinpoint Test K .
The power liftgate module does not respond to the scan tool	Fuse Circuitry Power liftgate module	Go to Pinpoint Test L .
No Universal Asynchronous Receiver-Transmitter (UART) based protocol (UBP) network communication	Circuitry DSM EATC module Driver climate controlled seat module Passenger climate controlled seat module	Go to Pinpoint Test M .
No International Standards Organization (ISO) 9141 network communication	Circuitry RCM Parking aid module LH PSD module RH PSD module Power liftgate module	Go to Pinpoint Test N .
No standard corporate protocol (SCP) network communication	Circuitry EMTC module EATC module Speed control actuator Smart junction box (SJB) Instrument cluster	Go to Pinpoint Test O .
No high speed controller area network (HS-CAN) communication, all modules are not responding	Circuitry PCM ABS module Instrument cluster	Go to Pinpoint Test A .
No power to the scan tool	Fuse Circuitry Scan tool	Go to Pinpoint Test P .