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

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

K1 CHECK THE RECORDED DTCS FROM THE POWERTRAIN CONTROL MODULE (PCM)
- Check the recorded results from the PCM self-test.
- Are any DTCs recorded?
- Yes : For PXXX codes, See INTRODUCTION - GASOLINE article .
  For all other codes, REFER to MULTIFUNCTION ELECTRONIC MODULES .
- No : GO to K2.
K2 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?
- Yes : GO to K3.
- No : REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S to continue diagnosis of the input.
K3 CHECK THE REVERSE SIGNAL INPUT
- Press and hold the AUDIO and MENU buttons for 5 seconds.
  
  Fig 1: Identifying Audio And Menu Buttons
  Courtesy of FORD MOTOR CO.
- Press 917 Enter.
  
  Fig 2: Identifying Keypad Buttons
  Courtesy of FORD MOTOR CO.
- Select Navigation Info.
  
  Fig 3: Identifying Navigation On ON-SCREEN DIAGNOSTICS Display
  Courtesy of FORD MOTOR CO.
- Select Vehicle Signals.
  
  Fig 4: Identifying Vehicle Signals On NAVIGATION INFO Display
  Courtesy of FORD MOTOR CO.
  
  Fig 5: Identifying Reverse Signal On VEHICLE/GYRO SIGNALS Display
  Courtesy of FORD MOTOR CO.
- Does the reverse signal indicate ON?
- Yes : CLEAR the DTCs. REPEAT the self-test. IF DTC U1016 is retrieved again, GO to K4.
- No : GO to K4.
K4 CHECK FOR CORRECT NAVIGATION SYSTEM MODULE OPERATION
- Disconnect all the navigation system module connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all the 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?
- Yes : INSTALL a new navigation system module. REFER to NAVIGATION SYSTEM MODULE in this article. CLEAR the DTCs. REPEAT the self-test.
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.