Pinpoint Test - DTC: AD
U0100:00
Normal Operation and Fault Conditions
The OCSM and RCM both use information contained in messages from the PCM sent on the HS-CAN.
DTC Fault Trigger Conditions
Description | Fault Trigger Conditions |
|---|---|
U0100:00 Lost Communication with ECM/PCM “A”: No Sub Type Information | This DTC sets if the OCSM does not receive an expected message from the PCM. |
U0100:00 Lost Communication with ECM/PCM “A”: No Sub Type Information | This DTC sets if the RCM does not receive an expected message from the PCM. |
DTC
Possible Causes
Network traffic PCM RCM OCSM
PINPOINT TEST A : U0100:00
NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
NOTE: Only disconnect or reconnect SRS components when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS.
NOTE: Always make sure the correct SRS component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part number listed in the Ford parts catalog to make sure the correct component is being installed. If an incorrect SRS component is installed, Diagnostic Trouble Codes (DTCs) may set.
A1 VERIFY DIAGNOSTIC SCAN TOOL COMMUNICATION WITH THE PCM (POWERTRAIN CONTROL MODULE)
WARNING: Before beginning any service procedure in this section, refer to Safety Warnings in section 100-00 General Information. Failure to follow this instruction may result in serious personal injury.
REFER to: Pyrotechnic Device Health and Safety Precautions (100-00 General Information, Description and Operation). Ignition ON. Connect the diagnostic scan tool. Check that a vehicle session can be established using the diagnostic scan tool.
Can a vehicle session be established?
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.