Pinpoint Test L: DTC U1016 - SCP Invalid Data Powertrain Control Module: Overview

Test Step 

1. L1 CHECK THE RECORDED DTCS FROM THE POWERTRAIN CONTROL MODULE (PCM) 
   • Use the recorded results from the PCM self-test.
   • Are any DTCs recorded? 

   Result / Action to Take 

   1. Yes  : For PXXX codes, REFER to the INTRODUCTION article in ENGINE PERFORMANCE .

      For all other codes, REFER to MODULE COMMUNICATIONS NETWORK - LS .

   2. No  : GO to L2.
2. L2 MONITOR THE PCM REVERSE INPUT 
   • Enter the following diagnostic mode on the diagnostic tool: PCM PID Monitor.
   • Monitor the transmission range (TR) sensor PID.
   • Place the selector lever in REVERSE.
   • Does the TR sensor PID indicate correctly? 
   1. Yes  : GO to L3.
   2. No  : REFER to AUTOMATIC TRANSMISSION - 5R55S to continue diagnosis of the input.
3. L3 CHECK THE REVERSE SIGNAL INPUT 
   • Press and hold the AUDIO and MENU buttons for 5 seconds.
     Fig 1: Identifying Display Of Reverse Signal Input (1 Of 5)

     Courtesy of FORD MOTOR CO.
   • Press 917 Enter.
     Fig 2: Identifying Display Of Reverse Signal Input (2 Of 5)

     Courtesy of FORD MOTOR CO.
   • Select Navigation Info.
     Fig 3: Identifying Display Of Reverse Signal Input (3 Of 5)

     Courtesy of FORD MOTOR CO.
   • Select Vehicle Signals.
     Fig 4: Identifying Display Of Reverse Signal Input (4 Of 5)

     Courtesy of FORD MOTOR CO.
     Fig 5: Identifying Display Of Reverse Signal Input (5 Of 5)

     Courtesy of FORD MOTOR CO.
   • Does the reverse signal indicate ON? 
   1. Yes  : CLEAR the DTCs. REPEAT the self-test. IF DTC U1016 is retrieved again, GO to L4.
   2. No  : GO to L4.
4. L4 CHECK FOR CORRECT NAVIGATION SYSTEM MODULE OPERATION 
   • Disconnect all navigation system module connectors.
   • Check for:
     • corrosion
     • pushed-out pins
   • Connect all navigation system module connectors and make sure they seat correctly.
   • Operate the system and verify the concern is still present.
   • Is the concern still present? 
   1. Yes  : INSTALL a new navigation system module. REFER to NAVIGATION SYSTEM MODULE . CLEAR the DTCs. REPEAT the self-test.
   2. No  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.