Pinpoint Test I: DTC U0140:00

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

I1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
Is an observable symptom present?
- Yes : GO to I2 .
- No : The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
I2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Using a scan tool, carry out the network test.
Does the BCM pass the network test?
- Yes : GO to I3 .
- No : REFER to MODULE COMMUNICATIONS NETWORK .
I3 RETRIEVE THE RECORDED DTCs FROM THE ABS MODULE AND BCM SELF-TESTS
- Check for recorded ABS module and BCM DTCs from the network test.
Is DTC U3003:16 (or B1318) or DTC U3003:17 (or B1317) recorded?
- Yes : For the ABS module, REFER to DTC CHARTS .
  For the BCM , REFER to MULTIFUNCTION ELECTRONIC MODULES .
- No : GO to I4 .
I4 CHECK FOR DTC U0140:00 SET IN OTHER MODULES
- Using a scan tool, clear the DTCs.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Enter the following diagnostic mode on the scan tool: Self-Test - All CMDTCs .
Is DTC U0140:00 or DTC U0140 set in more than one module?
- Yes : INSTALL a new BCM . REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation. CLEAR the DTCs. REPEAT the ABS module self-test
- No : For vehicles without adaptive cruise control, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . TEST the system for normal operation.
  For vehicles with adaptive cruise control, INSTALL a new HCU . REFER to HYDRAULIC CONTROL UNIT (HCU) .