Ford Ecosport: Supplemental Restraint System / Diagnosis and Testing - Pinpoint Test - DTC: AH, Vehicles With: Rear Seat Side Airbag
U0154:00
Normal Operation and Fault Conditions
The RCM uses information contained in messages from the OCSM sent on the HS-CAN2 .
DTC Fault Trigger Conditions
DTC
|
Description
|
Fault Trigger Conditions
|
U0154:00
|
Lost Communication with Restraints Occupant Classification System Module: No Sub Type Information
|
This DTC sets if the RCM does not receive an expected message from the OCSM .
|
Possible Sources
PINPOINT TEST A: U0154:00
WARNING:
Do not handle, move or change the original horizontal
mounting position of the Restraints Control Module (RCM) while the
Restraints Control Module (RCM) is connected and the ignition switch is
ON. Failure to follow this instruction may result in the accidental
deployment of the Safety Canopy® and cause serious personal injury or
death.
|
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:
SRS
components should only be disconnected or reconnected 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.
|
NOTE:
The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
|
A1 CHECK THE COMMUNICATION NETWORK |
-
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).
-
Using a diagnostic scan tool, carry out a network test.
Does the OCSM pass the network test?
No |
To diagnose no communication with the OCSM , REFER to: Communications Network (418-00)
.
|
|
A2 CHECK THE RCM (RESTRAINTS CONTROL MODULE)
CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS) |
-
Using a diagnostic scan tool, perform RCM self-test.
-
Using a diagnostic scan tool, clear RCM Diagnostic Trouble Codes (DTCs).
-
Using a diagnostic scan tool, perform RCM self-test.
Is DTC U0154:00 retrieved again?
No |
The system is operating correctly at this time. The DTC may have been
set due to high network traffic or an intermittent fault condition.
|
|
A3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE RCM (RESTRAINTS CONTROL MODULE)
SELF-TEST |
-
Check the recorded Diagnostic Trouble Codes (DTCs) from the RCM self-test.
Is DTC U3003:16 or U3003:17 recorded?
Yes |
REFER to: Pinpoint Test - DTC: AV, Vehicles With: Rear Seat Side
Airbag (501-20B Supplemental Restraint System, Diagnosis and Testing).
|
|
A4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE OCSM (OCCUPANT CLASSIFICATION SYSTEM MODULE)
SELF-TEST |
-
Using a diagnostic scan tool, perform OCSM self-test.
-
Check for recorded Diagnostic Trouble Codes (DTCs) from the OCSM self-test.
Is DTC U3003:16 or U3003:17 recorded?
Yes |
REFER to: Pinpoint Test - DTC: AV, Vehicles With: Rear Seat Side
Airbag (501-20B Supplemental Restraint System, Diagnosis and Testing).
|
No |
CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA
. If a service article exists for this concern, DISCONTINUE this test
and FOLLOW the service article instructions.
If no service articles address this concern, INSTALL a new RCM . REFER
to: Airbag Supplemental Restraint System (SRS) - Vehicles With: Rear
Seat Side Airbag (501-20B Supplemental Restraint System, Diagnosis and
Testing). REPEAT the RCM self-test. If DTC U0154:00 returns, INSTALL a new OCS sensor. REFER
to: Occupant Classification System (OCS) Sensor - Vehicles With: Rear
Seat Side Airbag (501-20B Supplemental Restraint System, Removal and
Installation).
REFER to: Occupant Classification System (OCS) Sensor - Vehicles With:
Rear Seat Side Airbag (501-20B Supplemental Restraint System, Removal
and Installation).
|
|
C0061:68, C0062:68, C0063:68, C0064:68, C0065:68
Diagnostic Overview
Normal Operation and Fault Conditions
The RCM provides the stability/traction control system with
acceleration sensor data over the HS-CAN ...
U0112:00
Normal Operation and Fault Conditions
The RCM uses information contained in messages from the BECMB sent on the HS-CAN2 .
DTC Fault Trigger Conditions
DTC
Description
Fault Trigger Conditions
U0112:00
Lost Communication With Battery Energy Control Module "B": No Su..
Other information:
Special Tool(s) /
General Equipment
308-095Installer, Input Shaft Bearing
308-109Socket, Guide Sleeve
Spring Compressor
Transmission Jack
Removal
NOTICE:
Suspension fasteners are critical parts that affect the
performance of vital components and systems. Failure of these fasteners
may result in major service expense. Use the same or eq..
Materials
Name
Specification
Engine Oil - SAE 5W-20 - Synthetic Blend Motor OilXO-5W20-Q1SP
WSS-M2C945-B1
Removal
NOTE:
Removal steps in this procedure may contain installation details.
WARNING:
Before beginning any service procedure in this
section, refer to Safety Warnings in section 100-00 General Information.
Failure t..