Cruise Control — 2016 workshop reference 6094

REFER to: Anti-Lock Brake System (ABS) Module (206-09 Anti-Lock Brake System (ABS) and Stability Control, Removal and Installation).

No	If the CCM sets DTC U0121:00, INSTALL a new CCM. REFER to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Removal and Installation). If the PCM sets U0121, INSTALL a new PCM. For 2.3L, REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 2.3L EcoBoost (231kW/314PS), Removal and Installation). For 3.7L, REFER to: Powertrain Control Module (PCM) (303-14B Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation). For 5.0L, REFER to: Powertrain Control Module (PCM) (303-14C Electronic Engine Controls - 5.0L 32V Ti-VCT/5.0L Ti-VCT V8 (308kW/418PS), Removal and Installation).

If the CCM sets DTC U0121:00, INSTALL a new CCM. REFER to: Cruise Control Module (CCM) (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Removal and Installation).

If the PCM sets U0121, INSTALL a new PCM. For 2.3L, REFER to: Powertrain Control Module (PCM) (303-14A Electronic Engine Controls - 2.3L EcoBoost (231kW/314PS), Removal and Installation).

For 3.7L, REFER to: Powertrain Control Module (PCM) (303-14B Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Removal and Installation).

For 5.0L, REFER to: Powertrain Control Module (PCM) (303-14C Electronic Engine Controls - 5.0L 32V Ti-VCT/5.0L Ti-VCT V8 (308kW/418PS), Removal and Installation).

U0104

Refer to Wiring Diagrams Cell 14 for schematic and connector information.

Refer to Wiring Diagrams Cell 31 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Cruise Control - System Operation and Component Description (419-03B Cruise Control - Vehicles With: Adaptive Cruise Control, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
	U0104 Lost Communication With Cruise Control Module	Sets in the PCM if data messages received from the CCM over the HS-CAN2 or from the GWM over the HS-CAN1 are missing for greater than 5 seconds.

DTC

Description

Fault Trigger Conditions

U0104 Lost Communication With

Cruise Control Module

Sets in the PCM if data messages received from the CCM over the HS-CAN2 or from the GWM over the HS-CAN1 are missing for greater than 5 seconds.

Possible Sources

CCM PCM GWM

PINPOINT TEST F : U0104

F1 VERIFY THE CUSTOMER CONCERN

Ignition ON. Verify there is an observable symptom present.

Is an observable symptom present?

Source reference 6094

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.