LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2011 >> Escape Base, 3.0 G, FWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Module Communications Network DTCS >> Communication Network
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Communication Network

COMMUNICATION NETWORK DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action
U0001 High Speed CAN  Communication Bus ABS module The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool.
U0001:88 High Speed CAN  Communication Bus: Bus Off ABS module The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool.
U0028:08 Vehicle Communication Bus A: Bus Signal/Message Failures Restraints Control Module (RCM) The RCM  is not receiving Roll Stability Control (RSC®) messages from the ABS module. CLEAR the DTC. REPEAT the network test with the scan tool. If the ABS module does not pass the network test, GO to PINPOINT TEST B .
U0028:88 Vehicle Communication Bus A: Bus Off RCM  The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool.
U0100 Lost Communication with ECM  /PCM 4X4 control module
ABS module
Battery Control Module - High Voltage Traction Battery (BCMHVTB)
Instrument Cluster (IC)
Power Steering Control Module (PSCM)
TCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A .
U0100:00 Lost Communication With ECM  /PCM "A": No Sub Type Information ABS module (hybrid)
Accessory Protocol Interface Module (APIM)
Air Conditioning Compressor Module (ACCM)
RCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A .
U0101 Lost Communication with TCM  Battery Control Module - High Voltage Traction Battery (BCMHVTB) (hybrid)
IC  (hybrid)
PCM (hybrid)
PSCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST H .
U0111 Lost Communication with Battery Energy Control Module IC  (hybrid)
PCM (hybrid)
TCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST I .
U0114 Lost Communication With Four-Wheel Drive Clutch Control Module ABS module
IC 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST D .
U0114:00 Lost Communication With Four-Wheel Drive Clutch Control Module: No Sub Type Information ABS module CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST D .
U0121 Lost Communication with Anti-Lock Brake System (ABS) Control Module 4X4 control module
IC 
PSCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST B .
U0129 Lost Communication with Brake System Control Module IC  (hybrid)
PCM
TCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST B .
U0131 Lost Communication With Power Steering Control Module (PSCM) IC  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST G .
U0131:87 Lost Communication With Power Steering Control Module (PSCM): Missing Message ABS module CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST G .
U0140 Lost Communication with Body Control Module (GEM  ) Audio Control Module (ACM)
Front Controls Interface Module (FCIM)
Front Display Interface Module (FDIM)
HVAC module
IC 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST Q .
U0140:00 Lost Communication with Body Control Module: No Sub Type Information
  • ACM 
  • APIM 
  • FCIM 
  • GPSM 
  • CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST Q .
U0151 Lost Communication with Restraints Control Module ABS module
IC 
Occupant Classification System Module (OCSM)		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E .
U0151:00 Lost Communication With Restraints Control Module: No Sub Type Information APIM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E .
U0151:87 Lost Communication with Restraints Control Module: Missing Message ABS module CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST E .
U0151:88 Lost Communication with Restraints Control Module: Bus Off ABS module The module could not communicate on the network at a point in time. The fault is currently not present. CLEAR the DTC. REPEAT the network test with the scan tool.
U0154:00 Lost Communication with Restraints Occupant Classification System Module: No Sub Type Information RCM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST F .
U0155 Lost Communication with Instrument Panel Cluster (IC  ) Control Module 4X4 control module
ABS module
ACM 
BCM-HVTB 
FDIM 
HVAC module
PSCM 
Smart Junction Box (SJB)		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C .
U0155:00 Lost Communication With Instrument Panel Cluster (IPC  ) Control Module: No Sub Type Information ACCM 
ACM 
APIM 
GPSM 
RCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C .
U0155:87 Lost Communication With Instrument Panel Cluster (IPC  ) Control Module: Missing Message ABS module CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST C .
U0159 Lost Communication with Parking Assist Control Module (PAM  ) ACM 
IC 
PSCM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST J .
U0159:00 Lost Communication with Parking Assist Control Module "A": No Sub Type Information ACM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST J .
U0162:00 Lost Communication with Navigation Display Module: No Sub Type Information ACM  REFER to DRIVER INFORMATION SYSTEM & ENTERTAINMENT SYSTEM article.
U0163 Lost Communication With Navigation Control Module (NAV) IC  REFER to DRIVER INFORMATION SYSTEM & ENTERTAINMENT SYSTEM article.
U0164 Lost Communication With HVAC Control Module (EATC  ) FDIM 
IC 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST L .
U0164:00 Lost Communication with HVAC Control Module: No Sub Type Information ACM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST L .
U016A:00 Lost Communication with Global Positioning System Module: No Sub Type Information APIM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST M .
U0184 Lost Communication with Radio (ACM  ) FCIM FDIM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST P .
U0184:00 Lost Communication With Radio: No Sub Type Information APIM 
FCIM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST P .
U0197 Lost Communication with Telephone Control Module ACM 
FDIM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST R .
U0197:00 Lost Communication with Telephone Control Module: No Sub Type Information ACM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST R .
U0253:00 Lost Communication With Accessory Protocol Interface Module: No Sub Type Information RCM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST R .
U0255 Lost Communication with Front Controls Interface Module ACM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST O .
U0255:00 Lost Communication with Front Display Interface Module: No Sub Type Information ACM 
APIM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST N .
U0256 Lost Communication with Front Display Interface Module ACM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST N .
U0256:00 Lost Communication with Front Controls Interface Module "A": No Sub Type Information ACM 
APIM 		 CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST O .
U0294 Lost Communication With Powertrain Control Module TCM  CLEAR the DTC. REPEAT the network test with the scan tool. If the DTC returns, GO to PINPOINT TEST A .
U0298:87 Lost Communication With DC to DC Converter Control Module "A": Missing Message ABS module REFER to HIGH VOLTAGE CONVERTER/INVERTER article.
U0401 Invalid Data Received from ECM  /PCM A 4X4 control module
ABS module
BCM-HVTB 		 RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0402 Invalid Data Received from TCM  BCM-HVTB  RETRIEVE and FOLLOW non-network DTCs from the TCM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0401:00 Invalid Data Received from ECM  /PCM: No Sub Type Information ABS module
RCM 		 RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0401:68 Invalid Data Received from ECM  /PCM: Event information ACCM  RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0402 Invalid Data Received from TCM  ABS module RETRIEVE and FOLLOW non-network DTCs from the TCM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0414 Invalid Data Received from Four-Wheel Drive Clutch Control Module ABS module RETRIEVE and FOLLOW non-network DTCs from the 4X4 control module. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0415 Invalid Data Received from Anti-Lock Brake System (ABS) Control Module 4X4 control module
PSCM 		 RETRIEVE and FOLLOW non-network DTCs from the ABS module. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0420:87 Invalid Data Received From Power Steering Control Module: Missing Message ABS module RETRIEVE and FOLLOW non-network DTCs from the Power Steering Control Module (PSCM). REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information APIM 
GPSM 		 RETRIEVE and FOLLOW non-network DTCs from the SJB  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0422:68 Invalid Data Received From Body Control Module: Event Information HVAC module RETRIEVE and FOLLOW non-network DTCs from the SJB  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0423 Invalid Data Received From Instrument Panel Cluster (IPC  ) Control Module BCM-HVTB  RETRIEVE and FOLLOW non-network DTCs from the IC  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0423:00 Invalid Data Received From Instrument Panel Cluster (IPC  ) Control Module: No Sub Type Information APIM 
RCM 
GPSM 		 RETRIEVE and FOLLOW non-network DTCs from the IPC  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0424 Invalid Data Received HVAC Control Module BCM-HVTB  RETRIEVE and FOLLOW non-network DTCs from the HVAC module. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0423:64 Invalid Data Received from Instrument Panel Control Module: Signal Plausibility Failure ABS module RETRIEVE and FOLLOW non-network DTCs from the IC  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0423:68 Invalid Data Received from Instrument Panel Control Module: Event Information ACCM 
HVAC module		 RETRIEVE and FOLLOW non-network DTCs from the IC  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0452 Invalid Data Received from Restraints Control Module ABS module RETRIEVE and FOLLOW non-network DTCs from the RCM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0452:29 Invalid Data Received from Restraints Control Module: Signal Invalid ABS module RETRIEVE and FOLLOW non-network DTCs from the RCM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U045A Invalid Data Received from PAM PSCM  RETRIEVE and FOLLOW non-network DTCs from the PAM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U046B:00 Invalid Data Received from Global Positioning System Module: No Sub Type Information ABS module RETRIEVE and FOLLOW non-network DTCs from the GPSM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0485:00 Invalid Data Received From Radio: No Sub Type Information APIM  RETRIEVE and FOLLOW non-network DTCs from the ACM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U0554:00 Invalid Data Received From Accessory Protocol Interface Module RCM  RETRIEVE and FOLLOW non-network DTCs from the APIM  . REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U1900 CAN  Communication Bus Fault - Receive Error RCM  FOLLOW the pinpoint test for the module which failed the network test. GO to SYMPTOM CHART .
U2013 Compass Module is Not Responding IC  REFER to ELECTRONIC COMPASS article.
U2023 Fault Received From External Node IC 
PSCM 		 U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2196 Invalid 'Engine RPM' Data IC  RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2197 Invalid 'Vehicle Speed' Data IC  RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2198 Invalid 'Fuel Pulse' Data IC  RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2199 Invalid 'Engine Coolant Temperature' Data IC  RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2200 Invalid 'ODO Count' Data IC  RETRIEVE and FOLLOW non-network DTCs from the PCM. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2472 Unexpected Ignition State IC 
SJB 		 RETRIEVE and REPAIR all non-network DTCs in the other modules on the network. REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULE article for a list of all DTCs.
U2473 Unexpected Vehicle Speed ACM  REFER to DRIVER INFORMATION SYSTEM & ENTERTAINMENT SYSTEM article.
U2473 Unexpected Vehicle Speed SJB  REFER to MULTIFUNCTION ELECTRONIC MODULE article.
U2510 CAN  - Invalid Data for Vehicle Security IC  REFER to ANTI-THEFT SYSTEM - ANTI-THEFT PERIMETER article (Non-Hybrid) or ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) - HYBRID article (Hybrid).
U2511 CAN  - Data Mis-Match (Receive Data Does Not Match Expected) IC  REFER to ANTI-THEFT SYSTEM - ANTI-THEFT PERIMETER article (Non-Hybrid) or ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) - HYBRID article (Hybrid).
U261A CAN  Data/Configuration Setup Mismatch IC  REFER to EXTERIOR LIGHTING SYSTEM article.
U3000:88 Control Module: Bus Off APIM  The module could not communicate on the network at a point in time. The fault is currently not present since the module is currently communicating with the scan tool reporting this DTC. CLEAR the DTC.
REPEAT the network test with the scan tool.
scientia non olet · About LEMON Manuals