Question about 2008 Lincoln Navigator

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Define the code...how to repair, estimated repair cos t

OBD code U1900...meaning how to repair....estimate repair cost

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U1000 SCP (J1850) Invalid or Missing Data for Primary Id U1001 SCP (J1850) Invalid or Missing Data for Primary Id U1002 SCP (J1850) Invalid or Missing Data for Primary Id U1003 SCP (J1850) Invalid or Missing Data for Primary Id U1004 SCP (J1850) Invalid or Missing Data for EEC Programming U1005 SCP (J1850) Invalid or Missing Data for EEC Programming U1006 SCP (J1850) Invalid or Missing Data for Primary Id U1007 SCP (J1850) Invalid or Missing Data for Primary Id U1008 SCP (J1850) Invalid or Missing Data for Engine Torque U1009 SCP (J1850) Invalid or Missing Data for Engine Torque U1010 SCP (J1850) Invalid or Missing Data for Engine Air Intake U1011 SCP (J1850) Invalid or Missing Data for Engine Air Intake U1012 SCP (J1850) Invalid or Missing Data for Primary Id U1013 SCP (J1850) Invalid or Missing Data for Primary Id U1014 SCP (J1850) Invalid or Missing Data for Primary Id U1015 SCP (J1850) Invalid or Missing Data for Primary Id U1016 SCP (J1850) Invalid or Missing Data for Primary Id U1017 SCP (J1850) Invalid or Missing Data for Primary Id U1018 SCP (J1850) Invalid or Missing Data for Throttle U1019 SCP (J1850) Invalid or Missing Data for Throttle U1020 SCP (J1850) Invalid or Missing Data for Air Conditioning Clutch U1021 SCP (J1850) Invalid or Missing Data for Air Conditioning Clutch U1022 SCP (J1850) Invalid or Missing Data for Primary Id U1023 SCP (J1850) Invalid or Missing Data for Primary Id U1024 SCP (J1850) Invalid or Missing Data for Primary Id U1025 SCP (J1850) Invalid or Missing Data for Primary Id U1026 SCP (J1850) Invalid or Missing Data for Engine RPM U1027 SCP (J1850) Invalid or Missing Data for Engine RPM U1028 SCP (J1850) Invalid or Missing Data for Primary Id U1029 SCP (J1850) Invalid or Missing Data for Primary Id U1030 SCP (J1850) Invalid or Missing Data for Experimental #1 U1031 SCP (J1850) Invalid or Missing Data for Experimental #1 U1032 SCP (J1850) Invalid or Missing Data for Primary Id U1033 SCP (J1850) Invalid or Missing Data for Primary Id U1034 SCP (J1850) Invalid or Missing Data for Primary Id U1035 SCP (J1850) Invalid or Missing Data for Primary Id U1036 SCP (J1850) Invalid or Missing Data for Wheels U1037 SCP (J1850) Invalid or Missing Data for Wheels U1038 SCP (J1850) Invalid or Missing Data for Primary Id U1039 SCP (J1850) Invalid or Missing Data for Primary Id / Vehicle Speed U1040 SCP (J1850) Invalid or Missing Data for Vehicle Speed U1041 SCP (J1850) Invalid or Missing Data for Vehicle Speed U1042 SCP (J1850) Invalid or Missing Data for Traction Control U1043 SCP (J1850) Invalid or Missing Data for Traction Control U1044 SCP (J1850) Invalid or Missing Data for Traction Motor U1045 SCP (J1850) Invalid or Missing Data for Traction Motor U1046 SCP (J1850) Invalid or Missing Data for Primary Id U1047 SCP (J1850) Invalid or Missing Data for Primary Id U1048 SCP (J1850) Invalid or Missing Data for Primary Id U1049 SCP (J1850) Invalid or Missing Data for Primary Id U1050 SCP (J1850) Invalid or Missing Data for Brakes

Posted on Mar 14, 2015

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U 1900 code on 2007 Ford 6.0l Diesel 350 Super Duty


U1900 FORD - CAN Communication Bus Fault

Read more: https://www.autocodes.com/u1900_ford.html
Possible causes
Faulty / intermittent ignition switch connections
CAN Bus wiring intermittently open/shorted to power or ground Faulty / intermittent connection at PCM
Faulty electrical connections at ABS Control Module
Faulty electrical connections at the instrument cluster
Poor connections at the trailer brake controller/trailer connector

Tech notes This is typically a false/intermittent code. It can occur if: Someone hooks up a scanner to the OBDII port while the ignition is on or while the engine is idling. A trailer brake system is installed improperly/incorrectly on a truck with ABS (anti-lock brakes).

When is the code detected? When the PCM, Brake Controller and Instrument Cluster are unable to communicate with each other at any time while the ignition switch is turned to the "Run" position, code U1900 sets in memory.

Possible symptoms Engine Light ON (or Service Engine Soon Warning Light) Amber ABS (Anti-lock Brakes) Light ON Wrench Light On

U1900 Ford Description The Anti-ock Brakes System (ABS) module, the Powertrain Control Module (PCM), and the instrument cluster communicate over the Controller Area Network (CAN) Bus. This is a high-speed bus communication system and is not fault tolerant, which means any type of intermittent/loose connection between these 3 controllers will cause communication to stop. When the PCM, ABS module and instrument cluster are unable to communicate with each other at any time while the ignition switch is turned on, code U1900 will set.

Read more: https://www.autocodes.com/u1900_ford.html

Sep 22, 2018 | Ford Cars & Trucks

1 Answer

Have a 2005 ford expedition with 5.4 l eng its throwing code u1900 . what is this


U1900 CAN Communication Bus Fault Vehicle Security Module REFER to Section 418-00 . U1900 CAN Communication Bus Fault 4WD Control Module REFER to Section 418-00 . U1900 CAN Communication Bus Fault-Recieve Error Parking Aid Module REFER to Section 418-00 . U1900 CAN Communication Bus Fault-Recieve Error DSM REFER to Section 418-00 . U1900 CAN Communication Bus Fault-Recieve Error Instrument Cluster If the 4X4 light is not flashing at key ON, REFER to Section 418-00 .
If the 4X4 light is flashing at key ON, REFER to Section 308-07A . U1900 CAN Communication Bus Fault-Recieve Error Power Liftgate Module REFER to Section 418-00 . U1900 CAN Communication Bus Fault-Recieve Error Stability Assist Module REFER to Section 418-00 . U1900 CAN Communication Bus Fault-Recieve Error Air Suspension Module REFER to Section 418-00 .
which module won't communicate ? need a up scale scanner to communicate with all the modules on the vehicle. Do you know what C.A.N - controller area network is ? Serial data bus (network) All the modules on the vehicle share data on the network . U code's indicate a problem with the network .

Aug 08, 2018 | Ford Cars & Trucks

2 Answers

On a 2001 Chrysler 300 what does p0 734 and mean and how do you fix them


Code P0734 more or less means transmission is slipping in 4th.
  • Defective 4th gear related shift solenoid
  • Defective 4th gear related gear set or clutch pack
  • Defective Engine Coolant Temperature Sensor
  • Defective Valve Body
  • Dirty transmission fluid that restricts the hydraulic passages
Check the attached links,
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

P0734 OBD II Trouble Code


http://www.datsc.com/tabid/122/OBD-Error-Code/P0734/Diagnostics/chrysler/Default.aspx
P0731 Gear 1 Incorrect Ratio
Transmission code P0733 without P0715

Mar 09, 2016 | Chrysler Cars & Trucks

1 Answer

Obd code U1900


U1900 CAN Communication Bus Fault

Mar 14, 2015 | Cars & Trucks

1 Answer

What do the code u1900 mean on the freestyle


it is no communication with the gem module. is the instrument cluster going crazy? if so it usually means theres a problem in the cluster and needs to be replaced

Sep 14, 2014 | Cars & Trucks

1 Answer

What is the most likely cause an error code u1900 in a 2008 ford explorer xlt 4wd


Do you know what a serial data network is ? With all the computers car makers put on thier cars these day's they need a communication network for them to talk ,share info. on etc. U codes are codes for the network . A module could be down ,could be a wiring problem . A shorted module or bus wire can bring down the whole vehicle. Could cause the vehicle not to start ,systems not to function . How did you pull this code ,with what scan tool or code reader ? Did it come from the PCM - engine computer ? Need a up scale professional scan tool to check all module's on the vehicle , need to pin point the module that is causing the problem .
U1900 CAN Communication Bus Fault - Receive Error 4WD Control Module REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error ABS Module REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error DSM REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error Instrument Cluster REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error Occupant Classification Sensor Module REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error Parking Aid Module REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error RCM REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 . U1900 CAN Communication Bus Fault - Receive Error Retractable Running Board Module REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to Section 418-00 .
016 CAN Communications

SECTION 418-00: Module Communications Network 2007 Explorer/Mountaineer/Explorer Sport Trac Workshop Manual DESCRIPTION AND OPERATION Procedure revision date: 08/02/2006 Communications Network Vehicle communication utilizes both medium and high speed controller area network (CAN) communications. CAN is used for many modules to communicate with each other on a common network. CAN in-vehicle networking, is a method for transferring data among distributed electronic modules via a serial data bus. Without serial networking, intermodule communication requires dedicated, point to point wiring resulting in bulky, expensive, complex, and difficult to install wiring harnesses. Applying a serial data network reduces the number of wires combining the signals on a single network. Information is sent to the individual control modules that control each function.
The vehicle has 2 module communication networks:
  • Medium speed (MS) CAN
  • High speed (HS) CAN
Both networks are connected to the data link connector (DLC). This makes diagnosis and testing of these systems easier by allowing one scan tool to be able to diagnose and control any module on both networks from one connector. The DLC can be found under the instrument panel between the steering column and the audio unit.
Network Topology

Module Name Network Type Termination Module Anti-lock brake system (ABS) module HS-CAN No Audio control module (ACM) MS-CAN No Digital versatile disc (DVD) player (if equipped) MS-CAN No Driver seat module (DSM) (if equipped) MS-CAN No Electronic automatic temperature control (EATC) module (if equipped) MS-CAN No Four wheel drive (4WD) control module (if equipped) HS-CAN No Instrument cluster (IC) (gateway module) HS-CAN
MS-CAN Yes
Yes Occupant classification sensor (OCS) module HS-CAN No Parking aid module (PAM) (if equipped) MS-CAN No Powertrain control module (PCM) HS-CAN Yes Power running board (PRB) module (if equipped) MS-CAN No Restraints control module (RCM) HS-CAN No Satellite digital audio radio system (SDARS) (if equipped) MS-CAN No Smart junction box (SJB) MS-CAN Yes Transmission control module (TCM) (if equipped) HS-CAN No
MS-CAN Network Operation
The MS-CAN network communicates using bussed messages. The MS-CAN has an unshielded twisted pair cable, data bus (+) and data bus (-) circuits. In addition to scan tool communication, this network allows sharing of information between all modules on the network.
The MS-CAN is a medium speed communication network used for the following modules:
  • SJB
  • Audio unit
  • Instrument cluster
  • DSM (if equipped)
  • DVD player (if equipped)
  • EATC module (if equipped)
  • Parking aid module (if equipped)
  • Satellite audio receiver (if equipped)
  • Power running board module (if equipped)
HS-CAN Network Operation
The HS-CAN network communicates using bussed messages. The HS-CAN network uses an unshielded twisted pair cable, data bus (+) and data bus (-) circuits. In addition to scan tool communication, this network allows sharing of information between all modules on the network.
The HS-CAN is a high speed communication network used for the following modules:
  • PCM
  • TCM (if equipped)
  • RCM
  • ABS module
  • Instrument cluster
  • Occupant classification sensor module
  • 4WD control module (if equipped)
Network Termination
The CAN network uses a network termination circuit to improve communication reliability. The network termination of the CAN bus takes place inside the termination modules by termination resistors. Termination modules are located at either end of the bus network. As network messages are broadcast in the form of voltage signals, the network voltage signals are stabilized by the termination resistors. Each termination module has a 120 ohm resistor across the positive and negative bus connection in the termination module. With 2 termination modules on each network, and the 120 ohm resistors located in a parallel circuit configuration, the total network impedance, or total resistance is 60 ohms.
Network termination improves bus message reliability by:
  • stabilizing bus voltage.
  • eliminating electrical interference.
Gateway Module
The instrument cluster is the gateway module, translating HS-CAN to MS-CAN and vice versa. This information allows a message to be distributed throughout both networks. The instrument cluster is the only module on this vehicle that has this ability.

Aug 30, 2017 | 2008 Ford Explorer 2WD

1 Answer

U1900 code


Go to google and put thst code in the search bar and you will get all the info you need.

Jun 22, 2014 | 2006 Ford F-150 Regular

1 Answer

Code u1900


Hello Friends need help and advice have Mazda Tribute 2 3 2005... Problems Solutions for Mazda code u1900

Hopefully these links will work. The u1900 code is described, and there are suggestions on how to address the code issue.

Apr 29, 2014 | 2000 Mazda Demio

1 Answer

What does C1175,C1236 and U1900 mean?


Hi,
For
C1175 - Speed Wheel Sensor LR Input Circuit Failure C1236 - Speed Wheel LR Input Signal Missing U1900 - Communication bus fault
If the cluster is working fine, ignore U1900.
There are so many recalls and so many technical bulletin for the problems on Ford 350.
Let me know, if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!

Nov 04, 2009 | 2006 Ford F 350 Super Duty

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