Pinpoint Test Am: DTC U016A:00

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

AM1 CHECK THE APIM DTCs
NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during Programmable Module Installation (PMI) or the PMI may not have been carried out.
- Clear the APIM DTCs.
- Ignition OFF.
- Ignition ON.
- Wait at least 10 seconds.
- Repeat the APIM self-test.
- Is DTC U016A:00 still present?
- Yes: GO to AM2 .
- No: The system is operating correctly at this time. The DTC may have been set due to an intermittent fault in the network wiring.
AM2 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes: GO to AM3 .
- No: The system is operating correctly at this time. The DTC may have been set due to an intermittent fault in the network wiring. CHECK the MS-CAN wiring between the APIM and the GPSM for an intermittent fault.
AM3 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Carry out the network test using the scan tool.
- Does the GPSM pass the network test?
- Yes: GO to AM4 .
- No: REFER to MODULE COMMUNICATIONS NETWORK .
AM4 CHECK FOR BATTERY VOLTAGE OUT-OF-RANGE DTCs
- Carry out the self-test for the following modules:
  - APIM
  - GPSM
- Is DTC U3003:16 or DTC U3003:17 recorded in either module?
- Yes: REFER to DTC CHARTS .
- No: INSTALL a new GPSM . REFER to GLOBAL POSITIONING SYSTEM MODULE (GPSM) . CLEAR the APIM DTCs. REPEAT the APIM self-test.
  If DTC U016A:00 is still present, INSTALL a new APIM . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) . TEST the system for normal operation.