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Accessory Protocol Interface Module (APIM)

ACCESSORY PROTOCOL INTERFACE MODULE (APIM) DTC CHART

DTC Description Action
C1001:01 Vision System Camera: General Electrical Failure REFER to The rear video is inoperative in PARKING AID SYSTEM .
B108E:01 Display: General Electrical Failure GO to PINPOINT TEST X .
B116A:01 Handset Microphone: General Electrical Failure GO to PINPOINT TEST P .
B1215:00 External Memory Card: No Sub Type Information GO to PINPOINT TEST Y .
B1252:11 USB Port: Circuit Short to Ground
B1252:13 USB Port: Circuit Open
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 DTCs.
  • WAIT at least 10 seconds.
  • REPEAT the self-test.
  • If DTC B12B8:11 is retrieved again, INSTALL a new APIM. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to PINPOINT TEST AB .
U0151:00 Lost Communication With Restraints Control Module: No Sub Type Information GO to PINPOINT TEST AC .
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to PINPOINT TEST AD .
U0162:00 Lost Communication With Navigation Display Module: No Sub Type Information GO to PINPOINT TEST X .
U016A:00 Lost Communication With Global Positioning System Module: No Sub Type Information GO to PINPOINT TEST AE .
U0184:00 Lost Communication With Radio: No Sub Type Information GO to PINPOINT TEST AF .
U0256:00 Lost Communication With Front Controls Interface Module "A": No Sub Type Information GO to PINPOINT TEST AH .
U0423:00 Invalid Data Received from Instrument Panel Cluster Control Module: No Sub Type Information RETRIEVE and FOLLOW DTCs present in the IPC. REFER to INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
U1A00:87 Private Communication Network: Missing Message GO to PINPOINT TEST C .
U2017:45 Control Module Software #2: Program Memory Failure
U2017:51 Control Module Software #2: Not Programmed CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the diagnostic scan tool. For more information, REFER to the appropriate Programmable Module Installation (PMI) under GENERAL PROCEDURES . If there have been no recent service actions, INSTALL a new APIM to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U2017:52 Control Module Software #2: Not Activated CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the diagnostic scan tool. For more information, REFER to the appropriate Programmable Module Installation (PMI) under GENERAL PROCEDURES . If there have been no recent service actions, INSTALL a new APIM to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U2017:54 Control Module Software #2: Missing Calibration CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the diagnostic scan tool. For more information, REFER to the appropriate Programmable Module Installation (PMI) under GENERAL PROCEDURES . If there have been no recent service actions, INSTALL a new APIM to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U2100:00 Initial Configuration Not Complete: No Sub Type Information CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the diagnostic scan tool. For more information, REFER to the appropriate Programmable Module Installation (PMI) under GENERAL PROCEDURES . If there have been no recent service actions, INSTALL a new APIM to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U2101:00 Control Module Configuration Incompatible: No Sub Type Information CHECK vehicle service history for recent service actions related to this module. This DTC sets due to incomplete or incorrect PMI procedures. If there have been recent service actions with this module, REPEAT/PERFORM the PMI procedure as directed by the diagnostic scan tool. For more information, REFER to the appropriate Programmable Module Installation (PMI) under GENERAL PROCEDURES . If there have been no recent service actions, INSTALL a new APIM to correct the failure to retain configuration data. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
U3000:04 Control Module: System Internal Failure
U3000:41 Control Module: General Checksum Failure
U3000:42 Control Module: General Memory Failure
U3000:88 Control Module: Bus Off
NOTE: Network communication/message DTCs can result from intermittent concerns such as damaged wiring or low battery voltage occurrences. Additionally, vehicle repair procedures such as module reprogramming often set these DTCs. Replacing a module to resolve a network DTC is unlikely to resolve the concern. The module was unable to communicate on the network at a point in time. The fault is not currently present.
To avoid repeat network concerns:
  • INSPECT for damaged or corroded wiring at the APIM.
  • TEST the vehicle battery. REFER to Charging Systems in CHARGING SYSTEM .
  • CLEAR the DTC.
  • REPEAT the network test with the diagnostic scan tool.
U3003:16 Battery Voltage: Circuit Voltage Below Threshold GO to PINPOINT TEST AJ .
U3003:17 Battery Voltage: Circuit Voltage Above Threshold GO to PINPOINT TEST AK .
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