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U0103

Code meaning and manufacturer information

U0103

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

JeepU0103
Lost communication with Electric Gear Shift Module) are still present, erase them with the scan tool

NHTSA 11010695 · NHTSA 11024582

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Manufacturer communications

25

Original wording in English

SSM 54452

LINCOLN

Reported code forms U0103:00

Some 2025-2026 Aviator vehicles may exhibit diagnostic trouble code (DTC) U0103:00:80 stored in the powertrain control module (PCM) when a diagnostic self-test is performed. This may be due to a software update…

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9100437Rev1

JEEP

Reported code forms U0103

The service shifter message comes on in the cluster and the lever gets stuck in park "P" and it can be present the follwoing DTC: - U11E3 - TCM Lost communication with ESM on D-PT CAN - U0103 - Lost communication with…

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23-033-25

JEEP

Reported code forms U0103-00

Not applicable to vehicles built for US market. Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the…

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No. 62-25

PORSCHE

Reported code forms U010300

Technical information for White Message “Paddle Emergency Operation” in the Instrument Cluster / Fault Memory Entries “U010300” and “B19DFF0” in the Transmission Electronics Control Unit (Tiptronic)

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No. 62-25

PORSCHE

Reported code forms U010300

Technical information for Gear Selection Release While Driving and White Message “Paddle Emergency Operation” On the Instrument Cluster / Fault Memory Entries “U010300” and “B19DFF0” (62/25)

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TSB 25-2071

FORD

Reported code forms U0103:87

This article supersedes TSB 21-2405 to update the production fix date. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: * Illuminated powertrain malfunction indicator…

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Check vehicle applicability

55

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
AudiA82013
AudiA82012
AudiA82011
AudiA82010
Chrysler2002015
Chrysler3002021
ChryslerPACIFICA2017
DodgeCHALLENGER2021
DodgeCHARGER2021
FordEXPLORER2021
FordEXPLORER2020
FordMUSTANG MACH E2021
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Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.