Pinpoint Test Y: DTC U0101:00

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Y1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
- Is an observable symptom present?
1. Yes : GO to Y2.
2. 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.
Y2 CHECK THE COMMUNICATION NETWORK
- Connect the scan tool.
- Using a scan tool, carry out the Network Test.
- Does the TCM pass the Network Test?
1. Yes : GO to Y3.
2. No : REFER to MODULE COMMUNICATIONS NETWORK .
Y3 RETRIEVE THE RECORDED DTCs FROM THE ABS MODULE AND TCM SELF-TESTS
- Enter the following diagnostic mode on the scan tool: Self Test - ABS Module.
- Enter the following diagnostic mode on the scan tool: Self Test - TCM.
- Is DTC P1397:00 (or B11E8:16) or (or B11E8:17) recorded?
1. Yes : For ABS module DTC B11E8:16, GO to PINPOINT TEST P .
  For ABS module DTC B11E8:17, GO to PINPOINT TEST Q .
  
  For TCM DTCs, REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - TORQSHIFT .
2. No : GO to Y4.
Y4 CHECK FOR DTCs U0101:00 OR U0101 SET IN OTHER MODULES
- Using a scan tool, clear all CMDTCs.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Enter the following diagnostic mode on the scan tool: Self Test - All CMDTCs.
- Is DTC U0101:00 or DTC U0101 set in more than one module?
1. Yes : INSTALL a new TCM. CLEAR the DTCs. REPEAT the ABS module self-test.
2. No : INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . TEST the system for normal operation.