AccueilU0121 · Communications du constructeur

U0121 · Communications du constructeur

Le libellé varie selon véhicule et suffixe ; ce n’est pas un diagnostic universel.

U0121 →

PIT5457C

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and…

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PIT5599

BUICK, CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.

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PIT5457B

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and…

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16-NA-177

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This informational bulletin explains DTC U0121 sets due to a software anomaly and does not turn the MIL on or change performance of the vehicle.

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PIT5405C

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles that have a reduced or loss of power steering assist, steering wheel jerks or kicks back when turning, Service Stabilitrak…

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16-NA-177

CADILLAC, GMC

Codes dans le document U0121

This informational bulletin explains DTC U0121 sets due to a software anomaly and does not turn the MIL on or change performance of the vehicle.

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PIT5405B

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR A REDUCED POWER MESSAGE, STEERING ASSIST, ENGINE STALL OR THE INSTRUMENT PANEL, RADIO, AND OR HEATER-VENT-AIR CONDITIONING GO BLANK…

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16-NA-177

CADILLAC

Codes dans le document U0121

THIS TECHNICAL BULLETIN PROVIDES INFORMATION TO IGNORE FRONT VIEW CAMERA MODULE DTC U0121 SET IN HISTORY.

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PIT5499

CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master…

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PIT5405A

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank…

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PIT5427A

CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp, service Antilock Braking System, Service Stabilitrak, Service…

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PIT5457

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and…

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08-07-30-021H

CADILLAC, CHEVROLET, GMC, HUMMER

Codes dans le document U0121

This technical bulletin provides repair information to correct customer concerns of loss of high speed GMLAN communications, intermittent no crank, IP gauge fluctuation, intermittent door lock cycling /chime operation,…

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PIC5652C

BUICK, CHEVROLET

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles that may have a Diagnostic Trouble Code U0121 in the Multi-axis Acceleration Sensor Module in history. This is a…

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PIT5427

CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp, service Antilock Braking System, Service Stabilitrak, Service…

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PIC4740E

CADILLAC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission…

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PIT5405

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank…

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PIT5400

CHEVROLET, GMC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician for vehicles with a malfunction indicator lamp on, service stabilitrak, power steering or vehicle soon message displayed on the drivers…

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AUDI

Codes dans le document U012100

Supersedes Technical Service Bulletin Group 97 number 14-41 dated March 18, 2014. The MIL is on. Vehicle will not start. DTC P068A00 is stored in the engine control module (ECM), J623 (address word 01). Numerous…

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PI1158

CADILLAC

Codes dans le document U0121

DTC U0121 Falsely Set Condition/Concern Technicians may find DTC U0121 stored in history with no other symptoms. This condition may be caused by a software anomaly.

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PIC5652B

BUICK, CHEVROLET

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles that may have a Diagnostic Trouble Code U0121 in the Multi-axis Acceleration Sensor Module in history. This is a…

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PIC-5652-B

BUICK, CHEVROLET

Codes dans le document U0121

BUICK/CHEVROLET: THE MULTI-AXIS ACCELERATION SENSOR MODULE HAS DIAGNOSTIC TROUBLE CODE (DTC) U0121 (LOSS OF COMMUNICATION WITH EBCM) SET, WHEN PERFORMING DTC CHECK USING SCAN TOOL BY TECHNICIAN AND COMPONENTS OF THIS…

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PIC5894

CHEVROLET

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles that have multiple Instrument Panel Cluster warning indicators on and/or warning messages being displayed on the Driver…

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PIC4740D

CADILLAC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission…

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PIC4740C

CADILLAC

Codes dans le document U0121

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission…

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08-07-30-021G

CADILLAC, CHEVROLET, GMC, HUMMER

Codes dans le document U0121

GM: LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IP GAGE FLUCTUATION, INTERMITTENT DOOR LOOK CYCLING, INTERMITTENT CHIME OPERATION, VARIOUS IP WARNING LAMPS ILLUMINATED, TRANSMISSION MAY NOT SHIFT,…

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PIT-4056

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

GMC: UNABLE TO COMMUNICATE WITH THE EBCM DTC U0121. *NJ VEHICLES EQUIPPED WITH JL4. UPDATED 9/30/08. *PE UPDATED 6/27/11. *PE UPDATED 4/6/12. *PE

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SB-08-07-30-021

CADILLAC, CHEVROLET, GMC

Codes dans le document U0121

LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT…

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PIT-4756

CHEVROLET, PONTIAC, SATURN

Codes dans le document U0121

GENERAL MOTORS: ABS AND STABILITRAK LIGHTS ON DTC(S) U0121, C0550, C0186, C0196, C0710, C0252. THIS CONCERN CAN BE CAUSED BY WIRE HARNESS GOING TO EBCM, CHAFFING ON TRANSMISSION MOUNT OR METAL BRACKET. *PE

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08-08-49-010A

HUMMER

Codes dans le document U0121

GMC: LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, IPC WARNING LIGHTS ON, DIC MESSAGES, NO CRANK, IPC GAUGE DROP OR FLUCTUATION, DOOR LOCK CYCLING , HARD TRANSMISSION SHIFT, DTCS U0073, U0100, U0101, U0102, U0109, U0121,…

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