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My car has no power and also fault code u1101 has come on which says transmision control unit can bus time out

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Posted on Jan 02, 2017

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SOURCE: Audi fault code J386 (2002)

There's a TSB on that problem. It involves broken wires in the A and B pillar from the central convenience module to the rest of the car. Ask your VW dealership or what not for a more specific answer.

Posted on Jan 13, 2009

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1 Answer

Mitsubishi L 200 fault code u1101 problem

ECU internal or cable fault

Feb 24, 2016 | Mitsubishi Cars & Trucks

2 Answers

How many functions does the ECU module control in a car?

The ECU controls everything on the engine and the transmission. The first thing I would go after for no spark is the Crank sensor. Usually behind the harmonic balancer.If you have coil packs, this would be next. Individual coils are unlikely to go out, all at the same time. The windows run off their own module or the body control module.

Oct 19, 2014 | 2004 Jeep Grand Cherokee

1 Answer

Code u2100- u2105

U2100 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Off (4L30-E Transmission) Conditions
Cause Key on and the TCM detected a loss of communication on either Communication Area Network (CAN) Bus line for one second

U2103 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Reset Counter Overrun (4L30-E Transmission)
Cause Key on and then the TCM detected a loss of communication on either CAN Bus line that exceeded 40 time out requirements

U2104 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Reset Counter Overrun (4L30-E Transmission)
Cause Key on and then the TCM detected a loss of communication on either CAN Bus line that exceeded 40 time out requirements
U2105 - GM Type Network - Manufacturer Controlled DTC - Manufacturer Controlled Description CAN Bus Error ECM (4L30-E Transmission) Conditions
Cause Key on and the TCM did not receive ECM messages for 1 second

or you can ask the 24 hrs live technical support was multi-diag, they will like to help you, good luck

Aug 14, 2013 | 2005 Isuzu Ascender

1 Answer

I have a 2008 BMW X5 with fault codes U112B, U1101, P1407 and P1408. Can you help me identify what these codes are for?

You will have to google them, if you have no factory manuals

Some are manufacturer codes,not generic

Nov 23, 2012 | 2008 BMW X5 3.0si

1 Answer

No bus 5

Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS and BCM faults and others) as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)

Legend of Abbreviations. ABS Antilock brake system.TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module

Oct 25, 2012 | Cars & Trucks

1 Answer

Transmision fault on 5 sieries

The engine and automatic transmission in this vehicles drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPEDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM

Jul 25, 2012 | Cars & Trucks

1 Answer

My problem is in the gear box (U0103 COMM. SHEFT) the car model 2005 chasis number (1J4GS48KX5C682794) so please what is the problem? Many thanks.

Diagnostic Fault Code (DTC) U0103 is a communications fault.

The Transmission Control Module (TCM) receives information from the Engine, Anti-Lock Brake Systen and the Electronic Gear Shift Control modules over the CAN C bus. (CAN = Cable Area Network)
The CAN C bus is a high speed communications bus that allows real-time control capability between various control modules. Most messages are sent every 20 mSec, this means critical information can be share between multiple modules almost instantaneously. The CAN C bus is a two-wire bus with a CAN (+) and a CAN (-) circuit.
To reduce the potential of radio and other electrical noise interference, the CAN Bus circuit is manufactured using a twisted pair configuration within the wiring harness.
Diagnostic Test Codes (DTCs) with the prefix of "U" are communications faults. The types of DTCs indicate that one or more of the modules within the CAN network is not communicating properly with the rest of the modules.
For this vehicle, DTC P0103 indicates that the Transmission Shift Module is having difficulty communicating on the CAN network.
The network connections as well as power and ground circuits to the Transmission Shift Module must be verified for proper operation. This includes accessing the network with a scan tool that has the capability of two-way communications with all of the modules on the CAN network.
Please note that MOST generic OBD code readers do not have this capability.

Nov 26, 2011 | 2005 Jeep Grand Cherokee

1 Answer

I have a MB C220 CDI car (2002). As soon as I turn the ignition key, the suction fan starts moving at the highest speed. The coolant level is ok. One mechanic changed a fuse(7.5) in the CAN bus. The...

possibly be the same fault no power for engine can bus or no power for engine control module if CAN signal not receive the fan control unit from engine control unit fan start run at 100% speed if the same fuse blow again can be wiring short circuit or loose contact some wear or short circuit in the engine control unit when it's become hot.

Sep 06, 2010 | 2002 Mercedes-Benz C-Class

1 Answer

Windows dont work on my s320 benz

have you checked fuse's under rear seat? if there ok try disconnecting battery for 1 minute then reconnect and try(make sure you have the radio code before you do it) if still no good check wiring in sleave were it enters the front drivers door,broken cables there are a common fault,if these fail, remove door cards and disconnect control units in doors, drivers side first, this will reset a can bus fault or a regulator sensing fault.also if your control switches are 2 position ie when you press them gently you should feel a click then another click as you press more firmly,try pressing up and down on the first click only, this may also reset an auto up can bus fault

Aug 21, 2009 | 2007 Mercedes-Benz S550 Sedan

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