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

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

Test Step

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.
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.
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.
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.