Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLINCOLN2016MKZ BASE, 2.0L ENG VIN 9, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (HORN SYSTEM - PARKING BRAKE SYSTEM)INFORMATION SYSTEM AND ENTERTAINMENT SYSTEM (THX AUDIO) DTCSACCESSORY PROTOCOL INTERFACE MODULE (APIM)
2016 Lincoln MKZ Base, 2.0L Eng VIN 9, AWD
Accessory Protocol Interface Module (APIM)
2016 Lincoln MKZ Base, 2.0L Eng VIN 9, AWDSECTION Accessory Protocol Interface Module (APIM)
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| B108E:01 | Display: General Electrical Failure | GO to Pinpoint Test AG |
| B116A:01 | Handset Microphone: General Electrical Failure | GO to Pinpoint Test W |
| B1215:00 | External Memory Card: No Sub Type Information | GO to Pinpoint Test AH |
| B1252:11 | USB Port: Circuit Short To Ground | For an inoperative USB port, GO to Pinpoint Test Y For an inoperative SD card slot, GO to Pinpoint Test Z |
| B1252:13 | USB Port: Circuit Open | For an inoperative USB port, GO to Pinpoint Test Y For an inoperative SD card slot, GO to Pinpoint Test Z |
| B12B8:11 | USB Port #2: Circuit Short To Ground |
NOTE:
This DTC refers to USB port #2 on the APIM itself, which is not used. INSPECT the APIM USB port #2 for damage and REMOVE any debris.CLEAR the Diagnostic Trouble Codes (DTCs).WAIT at least 10 seconds.REPEAT the self-test.If DTC B12B8:11 is retrieved again, PERFORM the APIM Hardware Test. Refer to
. |
| C1001:01 | Vision System Camera: General Electrical Failure | REFER to: Parking Aid . See The Rear Video Is Inoperative. |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to Pinpoint Test AP |
| U0151:00 | Lost Communication With Restraints Control Module: No Sub Type Information | GO to Pinpoint Test AQ |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | GO to Pinpoint Test AR |
| U0159:00 | Lost Communication With Parking Assist Control Module "A": No Sub Type Information | GO to Pinpoint Test AS |
| U0162:00 | Lost Communication With Navigation Display Module: No Sub Type Information | GO to Pinpoint Test AG |
| U016A:00 | Lost Communication With Global Positioning System Module: No Sub Type Information | GO to Pinpoint Test AT |
| U0184:00 | Lost Communication With Radio: No Sub Type Information | GO to Pinpoint Test AU |
| U0198:00 | Lost Communication With Telematic Control Module: No Sub Type Information | GO to Pinpoint Test AV |
| U0238:00 | Lost Communication With Digital Audio Control Module "D": No Sub Type Information | GO to Pinpoint Test AX |
| U024B:00 | Lost Communication with Seat Control Module "G": No Sub Type Information | GO to Pinpoint Test AY |
| U024C:00 | Lost Communication with Seat Control Module "H": No Sub Type Information | GO to Pinpoint Test AZ |
| U0256:00 | Lost Communication With Front Controls Interface Module "A": No Sub Type Information | GO to Pinpoint Test BB |
| U0293:00 | Lost Communication With Hybrid/EV Powertrain Control Module: No Sub Type Information | GO to Pinpoint Test BD |
| U0423:00 | Invalid Data Received From Instrument Panel Cluster Control Module: No Sub Type Information | RETRIEVE and FOLLOW Diagnostic Trouble Codes (DTCs) present in the IPC. Refer to: Instrumentation, Message Center and Warning Chimes . |
| U0452:00 | Invalid Data Received From Restraints Control Module: No Sub Type Information | RETRIEVE and FOLLOW Diagnostic Trouble Codes (DTCs) present in the RCM. Refer to: Airbag Supplemental Restraint System (SRS) . * If no Diagnostic Trouble Codes (DTCs) are present in the RCM, DIAGNOSE the observable symptom. |
| U1018:00 | Lost Communication With Generic Function Module: No Sub Type Information | GO to Pinpoint Test BE |
| U1A00:87 | Private Communication Network: Missing Message | GO to Pinpoint Test C |
| U2017:45 | Control Module Software #2: Program Memory Failure | CLEAR the Diagnostic Trouble Codes (DTCs). WAIT at least 10 seconds. REPEAT the self-test. If DTC U2017:45 is retrieved again, PERFORM the APIM Hardware Test. Refer to . |
| U2017:51 | Control Module Software #2: Not Programmed | This DTC sets due to incomplete or incorrect APIM programming/provisioning. CHECK the vehicle service history for recent service actions related to the APIM. If there have been recent service actions with the APIM, REPEAT/PERFORM the APIM programming as directed by the diagnostic scan tool. Refer to: Information and Entertainment System - System Operation and Component Description . See APIM Programming. If there have been no recent service actions, the APIM has failed to retain configuration data. PERFORM the APIM Hardware Test. Refer to . |
| U2017:52 | Control Module Software #2: Not Activated | This DTC sets due to incomplete or incorrect APIM programming/provisioning. CHECK the vehicle service history for recent service actions related to the APIM. If there have been recent service actions with the APIM, REPEAT/PERFORM the APIM programming as directed by the diagnostic scan tool. Refer to: Information and Entertainment System - System Operation and Component Description . See APIM Programming. If there have been no recent service actions, the APIM has failed to retain configuration data. PERFORM the APIM Hardware Test. Refer to . |
| U2017:54 | Control Module Software #2: Missing Calibration | This DTC sets due to incomplete or incorrect APIM programming/provisioning. CHECK the vehicle service history for recent service actions related to the APIM. If there have been recent service actions with the APIM, REPEAT/PERFORM the APIM programming as directed by the diagnostic scan tool. Refer to: Information and Entertainment System - System Operation and Component Description . See APIM Programming. If there have been no recent service actions, the APIM has failed to retain configuration data. PERFORM the APIM Hardware Test. Refer to . |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | This DTC sets due to incomplete or incorrect APIM programming/provisioning. CHECK the vehicle service history for recent service actions related to the APIM. If there have been recent service actions with the APIM, REPEAT/PERFORM the APIM programming as directed by the diagnostic scan tool. Refer to: Information and Entertainment System - System Operation and Component Description . See APIM Programming. If there have been no recent service actions, the APIM has failed to retain configuration data. PERFORM the APIM Hardware Test. Refer to . |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | This DTC sets due to incomplete or incorrect APIM programming/provisioning. CHECK the vehicle service history for recent service actions related to the APIM. If there have been recent service actions with the APIM, REPEAT/PERFORM the APIM programming as directed by the diagnostic scan tool. Refer to: Information and Entertainment System - System Operation and Component Description . See APIM Programming. If there have been no recent service actions, the APIM has failed to retain configuration data. PERFORM the APIM Hardware Test. Refer to . |
| U3000:04 | Control Module: System Internal Failure | CLEAR the Diagnostic Trouble Codes (DTCs). WAIT at least 10 seconds. REPEAT the self-test. If DTC U3000:04 is retrieved again, PERFORM the APIM Hardware Test. Refer to . |
| U3000:41 | Control Module: General Checksum Failure | CLEAR the Diagnostic Trouble Codes (DTCs). WAIT at least 10 seconds. REPEAT the self-test. If DTC U3000:41 is retrieved again, PERFORM the APIM Hardware Test. Refer to . |
| U3000:42 | Control Module: General Memory Failure | CLEAR the Diagnostic Trouble Codes (DTCs). WAIT at least 10 seconds. REPEAT the self-test. If DTC U3000:42 is retrieved again, PERFORM the APIM Hardware Test. Refer to . |
| U3000:88 | Control Module: Bus Off |
NOTE:
The module was unable to communicate on the network at a point in time. The fault is not currently present since the module had to communicate with the diagnostic scan tool to report this DTC. To avoid repeat network concerns: INSPECT for damaged or corroded wiring at the APIM. Refer to Module Communications Network
for schematic and connector information.CLEAR the DTC.WAIT at least 10 seconds.REPEAT the network test with the diagnostic scan tool. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to Pinpoint Test BF |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to Pinpoint Test BG |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.