Ford Ecosport: Supplemental Restraint System / Diagnosis and Testing - Pinpoint Test - DTC: V
U0140:00
Normal Operation and Fault Conditions
The RCM uses information contained in messages from the BCM sent on the HS-CAN .
DTC Fault Trigger Conditions
DTC
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Description
|
Fault Trigger Conditions
|
U0140:00
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Lost Communication with Body Control Module: No Sub Type Information
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This DTC sets if the RCM does not receive an expected message from the BCM for 6 seconds.
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Possible Causes
PINPOINT TEST A: U0140:00
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.
|
NOTE:
The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
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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 BCM pass the network test?
No |
To diagnose no communication with the BCM ,
|
|
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 U0140:00 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?
|
A4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE)
SELF-TEST |
-
Using a diagnostic scan tool, perform BCM self-test.
-
Check for recorded Diagnostic Trouble Codes (DTCs) from the BCM self-test.
Is DTC U3003:16 or U3003:17 recorded?
|
A5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE)
U0140:00 SET IN OTHER MODULES |
-
Using a diagnostic scan tool, perform self-test for all modules.
Is DTC U0140:00 set in the ABS Module or in the IPC ?
Yes |
CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a
TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB
instructions. If no Technical Service Bulletins (TSBs) address this
concern, INSTALL a new BCM. Refer to the appropriate Removal and
Installation procedure in Section 419-10.
|
No |
CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a
TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB
instructions. If no Technical Service Bulletins (TSBs) address this
concern, INSTALL a new RCM . REFER to: Restraints Control Module (RCM) (501-20B Supplemental Restraint System, Removal and Installation).
|
|
U0146:00
Normal Operation and Fault Conditions
The RCM uses information contained in messages from the GWM sent on the HS-CAN2 .
DTC Fault Trigger Conditions
DTC
Description
Fault Trigger Conditions
U0146:00
Lost Communication with Gateway "A": No Sub Type Infor..
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Remove the RH steering wheel multifunction switch.
Refer to: Steering Wheel Multifunction Switch (211-05 Steering Wheel
and Column Electrical Components, Removal and Installation).
Disconnect the downshift paddle switch electrical connector.
..
System Operation
Both the 6F15 and 6F35 transmission have 5 range positions P , R , N
, D and S with a SelectShift® switch mounted on the selector lever knob
or SelectShift® paddle switches mounted on the steering wheel.
Park
In the P position:
there is no powerflow through the transmission.
the parking pawl locks the final drive.
the engine may be started.
..