Pinpoint Test K: DTC U1016 - SCP Invalid Data

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

Test Step

K1 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

Yes

For PXXX codes, REFER to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE . For all other codes, REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .

GO to K2.

Test Step

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?

Result / Action to Take

Yes

GO to K3.

REFER to AUTOMATIC TRANSAXLE/TRANSMISSION to continue diagnosis of the input.

Test Step

K3 CHECK THE REVERSE SIGNAL INPUT

Press and hold the AUDIO and MENU buttons for 5 seconds.

Fig 1: Pressing/Holding "AUDIO" And "MENU"
Courtesy of FORD MOTOR CO.
Press 917 Enter.

Fig 2: Pressing 917 Enter
Courtesy of FORD MOTOR CO.
Select Navigation Info.

Fig 3: Selecting "Navigation Info"
Courtesy of FORD MOTOR CO.
Select Vehicle Signals.

Fig 4: Selecting "Vehicle Signals"
Courtesy of FORD MOTOR CO.

Fig 5: Identifying Vehicle/ Gyro Signals Screen
Courtesy of FORD MOTOR CO.
Does the reverse signal indicate ON?

Result / Action to Take

Yes

CLEAR the DTCs. REPEAT the self-test. If DTC U1016 is retrieved again, GO to K4.

GO to K4.

Test Step

K4 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?

Result / Action to Take

Yes

INSTALL a new navigation system module. REFER to NAVIGATION SYSTEM MODULE . CLEAR the DTCs. REPEAT the self-test.

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.