Fiat and Abarth coding and diagnostics on your iPhone

500, Panda, Punto, Tipo, Ducato and Doblò, and every Abarth. Cornering lights, Stop & Start, oil service reset, DPF regeneration, the radio code and a health report PDF.

Download on theApp StoreSee 56 supported models

Popular changes on a Fiat

Real option names from the modules MopCoder reads. Which ones your car shows depends on the modules and software it was built with.

Every coding option we list

Lights

  • Daytime running lights
  • Front fog lights
  • Rear fog light configuration
  • Cornering lights
  • Mirror turn signals
  • Greeting and approach lights
  • Auto high beams

Locks & keys

  • Horn chirp on lock
  • Keyless Go
  • Deadlock

Comfort

  • Remote start
  • Heated seats
  • Heated steering wheel
  • Power folding mirrors
  • Seat memory
  • Comfort window closing

Dashboard

  • Seatbelt chime
  • Turbo pressure display
  • Speedometer calibration (−16% to +16%)
  • Odometer units
  • Oil service reset

Safety

  • Tyre size
  • Tyre pressure monitoring
  • 3-mode ESC
  • Forward collision warning
  • Lane departure warning
  • Traffic sign recognition
  • Adaptive cruise control

Audio

  • Apple CarPlay and Android Auto
  • Navigation
  • DAB radio
  • Premium sound system

Engine

  • Stop & Start
  • Active exhaust valves
  • Gear shift indicator
  • Speed limiter
  • DPF regeneration menu

Service and security on a Fiat

Keys, module replacement and the service procedures, each with its conditions checked first.

Keys, PIN and immobiliser

Read the security code, add or remove keys, and get a replacement immobiliser working with the car.

  • Read the PIN / security codeRead-only, on supported RF hub, WCM and body computer families
  • Program key fobs and ignition keysFOBIK baseline and highline, SKIM keys, RKE-only keys; PIN or Code Card protected
  • Erase key fobs
  • Enable and disable keys
  • Transfer the secret keyBetween engine computer, RF hub, steering lock and WCM
  • Change the PIN
  • Clear a VIN handshake immobiliser fault

Module replacement

Make a used or new module part of the car it’s fitted to.

  • RF hub, body computer, PEM and steering lock replaced
  • Airbag module initialisation after replacement
  • Proxy alignment and car configuration
  • VIN write, erase and relearn
  • Odometer write for a replacement clusterOn supported instrument clusters and engine computers

Service and maintenance

The resets and routines that follow a service or a new part.

  • Oil and service resetOil change and service data on FCA engines and dashboards; oil drain and service reset on Renault-group modules
  • DPF regenerationPlus DPF replacement, new DPF initialise and stationary desoot on FCA diesels
  • Injector codingClassification and quantity correction codes on FCA; injector codes on supported Renault-group engines
  • Gearbox and clutch adaptationClutch contact point, pedal learning and adaptive value reset
  • Throttle and adaptation relearn
  • AdBlue first fill, pump and tank resets

Brakes, tyres and chassis

The jobs you do with the car on stands.

  • Electric parking brake serviceApply, release and brake pad replacement; Brembo, Continental and Lucas systems
  • ABS brake bleedPaced step by step with the technician
  • Steering angle sensor calibration
  • Tyre pressure sensor ID programming and calibrationEach wheel and the spare
  • Adaptive cruise radar alignment
  • Rain sensor procedures
  • Sunroof initialisation

Radio

Unlock a radio and set it for the market it lives in.

  • Radio codeCalculated offline from the serial number
  • Radio country and market configuration

What MopCoder does on a Fiat

Straight from the app, including what isn’t there yet.

  • Full ECU scan

    Yes

  • Read and clear fault codes

    Yes

  • Health report PDF

    YesPlus a before and after repair report

  • Coding

    Some modulesOn modules with a coding screen, such as body computers, clusters and radios

  • Feature activation and procedures

    Yes

  • PIN code read and key programming

    YesOn supported RF hub, WCM and body computer families

  • Module replacement

    YesSecret key transfer, VIN write, proxy alignment, cluster odometer

  • Service procedures

    YesOil reset, EPB pads, DPF, injectors, TPMS sensors, ABS bleed, gearbox adaptation

  • Actuator tests

    Yes

  • Live data

    YesDials, graphs, recording and playback

  • Scan history

    Yes

  • Configuration backup

    YesAutomatic backup before writes; full save and restore on Chrysler body computers

  • VIN auto-detect

    Yes

  • Bus scan

    Yes

  • Radio code

    YesCalculated offline from the radio serial

  • Proxy alignment and customer features

    YesOn supported body computers

A health report for your Fiat

Scan every module, then export the result as a PDF: every system checked, every fault code with its description and status, and the modules that didn’t answer, listed separately so a silent module is never mistaken for a clean one.

MopCoder
Diagnostics & coding
Report MC2026091309410000
13/09/2026, 09:41
Fiat Vehicle Diagnostic Report
Vehicle information
Make / ModelFiat Viaggio
VINNot read
Scan time13 Sep 2026, 09:41
Device information
ApplicationMopCoder 2.4
InterfaceOBDLink MX+
Report IDMC202609130941
Systems scanned (8)
SystemStatus / DTC
Engine control module2
Body control module1
Transmission control module0
Anti-lock brakes / ESC0
Airbag control module0
Instrument cluster0
Radio / Uconnect0
Heated seat moduleNo answer
Trouble codes
Engine control module2 codes
P0456Evaporative emission system, small leak detectedWarning light · Confirmed
P0420Catalyst system efficiency below thresholdPending
Body control module1 code
U0100Lost communication with ECM/PCMStored
MopCoder
Generated on this device. No vehicle data left the phone.
Page 1 of 1
Sample report. The vehicle and fault codes are for illustration.

Supported Fiat models

Fiat

  • 5002007+
  • 500e2013–2019
  • 500e (new)2020+
  • 500L2012+
  • 500X2015+
  • Argo / Cronos2017+
  • Barchetta (183)1995–2005
  • Bravo (198)2007–2016
  • Bravo / Brava (182)1995–2001
  • Coupé (175)1993–2000
  • Croma (154)1985–1996
  • Croma (194)2005–2010
  • Doblò (119)2000–2005
  • Doblò (152)2005–2009
  • Doblò (263)2010+
  • Ducato (230)1981–1993
  • Ducato (244)1993–2006
  • Ducato (250)2006–2014
  • Ducato (X290)2014–2021
  • Ducato (Serie 8)2022+
  • Fiorino / Qubo (225)2008+
  • Freemont2011+
  • Grand Siena2012+
  • Grande Punto (199)2005–2018
  • Idea (350)2003–2018
  • Linea (323)2007–2018
  • Marea (185)1996–2007
  • Mobi2016+
  • Multipla (186)1998–2013
  • Ottimo2014–2016
  • Palio / Albea / Siena / Weekend1996–2019
  • Panda (141)1980–2003
  • Panda (169)2003–2011
  • Panda (319)2011+
  • Punto (176)1993–1999
  • Punto (188)1999–2013
  • Punto Evo2009+
  • Sedici (189)2005–2014
  • Seicento (187)1997–2010
  • Stilo (192)2001–2010
  • Strada (278)1996+
  • Strada / Ram 7502015+
  • Tempra (159)1990–2000
  • Tipo (160)1988–1995
  • Tipo / Egea2015+
  • Toro2016+
  • Ulysse1994–2014
  • Uno (146)1983–2003
  • Uno (195)2004–2009
  • Uno Novo (327)2010+
  • Viaggio2012–2016

Abarth

  • 5002007+
  • Bravo1995–2001
  • Grande Punto2005–2018
  • Punto Evo2005–2018
  • Stilo (192)2001–2007

Don’t see yours? The app also lists regional and engineering variants. Search every brand.

Which adapter for a Fiat?

OBDLink MX+. Our recommendation. Reaches every bus an FCA car has, including the comfort modules on MS-CAN. Pairs once in iOS Settings.

Compare adapters

Plug in your Fiat.

Download MopCoder, pick Demo, and see what it would show you about your car before you buy an adapter.

Download on theApp Store