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Fiat Argo / Cronos

Type 358

In Motortune Pro
Control units7
On any adapter6 of 7
Service resetYes
Actuator tests129

Need to read fault codes, reset the service light or check a warning lamp on your Argo / Cronos without a workshop trip? Motortune turns your iPhone and an ELM327 / OBD-II adapter into a scanner for the Fiat Argo / Cronos (type 358): it walks every control unit it can reach, names each fault in plain language, resets the service reminder and runs guided service routines. Free to scan; the one-time $18.99 Motortune Pro adds the write features.

Control units

Every unit the catalog lists for this model, across its model years — your car carries a subset, which the app finds when it connects. The tag says what reaches each one: Any adapter MS-CAN adapter vLinker MS Special cable

  • Drivetrain
    • Drive train control moduleAny adapter
  • Brakes / ABS
    • ABS/ESP TRW CANvLinker MS
  • Instrument cluster
    • Instrument Panel Marelli/Siemens EPAny adapterService
  • Body
    • Body Computer Delphi/Marelli/AptivAny adapterActuators
  • Doors
    • Door Management moduleAny adapterActuators
  • Keys & security
    • Radio Frequency HUBAny adapter
  • Gateway
    • Security GatewayAny adapter

What you can do

  • Read fault codes, every reachable unit
  • Freeze frame
  • Vehicle & control-unit info
  • Clear fault codesPRO
  • Service / oil resetPRO
  • CalibrationsPRO
  • Gearbox learnsPRO
  • Actuator tests (129)PRO
  • Live data per control unitPRO
  • Control-unit browser, DID explorer, raw consolePRO

Service functions and actuator tests are matched to each unit’s software version when you connect, so your car may show a subset.

Adapter

6 of 7 control units — sit on the standard OBD pins, which any ELM327 v1.5+ adapter reaches. 1 sit on a second CAN or the body bus that only a vLinker MS switches to by itself (untested on hardware so far).

See the recommended adapters →

Other Fiat models: 500 312 · 500e · 500e · 500L · 500X 334 · Barchetta 183 · Bravo 198 · Bravo / Brava 182 · Coupé 175 · Croma 154 · Croma 194 · Freemont JF · Grand Siena · Grande Punto 199 · Idea 350 · Linea 323 · Marea 185 · Mobi 341 · Multipla 186 · Novo Uno (Facelift) 327 · Ottimo · Palio (Facelift) · Palio (Restyle) · Palio / Albea / Siena / Weekend · Palio / Albea / Siena / Weekend (Restyle 2) · Panda 141 · Panda 169 · Panda 319 · Perla · Punto (International) 118 · Punto 176 · Punto 188 · Punto Evo / Punto 199 · Qubo 300 · Sedici 189 · Seicento 187 · Stilo 192 · Tempra 159 · Tipo 160 · Tipo / Egea 356 · Toro · Ulysse · Uno 146 · Uno 195 · Viaggio

Argo / Cronos — frequently asked

Does Motortune work with the Fiat Argo / Cronos?

Yes. The Fiat Argo / Cronos (type 358) is in Motortune’s catalog with 7 control units, 7 of which Motortune can reach with the right adapter. Coverage is mapped from the diagnostic catalog; try Demo mode and the in-app compatibility check on your car before relying on it.

How do I read fault codes on a Fiat Argo / Cronos?

Plug an ELM327 / OBD-II adapter into the Argo / Cronos’s diagnostic socket, switch the ignition on, and connect from Motortune on your iPhone. It walks every control unit it can reach — drivetrain, brakes / abs, instrument cluster, body and more — and lists each fault in plain language with the unit that reported it. Reading codes is free; clearing them is part of the one-time Motortune Pro.

Can I reset the service light on a Argo / Cronos myself?

Yes. Motortune resets the service / oil-change reminder on the Fiat Argo / Cronos the way a workshop tester does, with a guided step-by-step sheet. The service reset is part of the one-time $18.99 Motortune Pro.

Which service functions does Motortune run on the Argo / Cronos?

Calibrations, Gearbox learns — 2 guided routines across this model’s control units. The app confirms each unit’s software version before offering one, so what you see on your car can be a subset. Part of Pro.

What adapter do I need for the Argo / Cronos?

6 of 7 control units — sit on the standard OBD pins, which any ELM327 v1.5+ adapter reaches. 1 sit on a second CAN or the body bus that only a vLinker MS switches to by itself (untested on hardware so far).

How much does Motortune cost?

Motortune is free to download and scan. The one-time $18.99 Motortune Pro adds clearing codes, the service reset, service functions, actuator tests and per-unit live data. No subscription, and one purchase covers every Alfa Romeo, Fiat, Abarth, Lancia, Jeep, Chrysler, Dodge, RAM, Peugeot and Citroën you own.

Motortune Pro

On the Argo / Cronos

$18.99 one-time

Reading fault codes is free. One purchase covers every Alfa Romeo, Fiat, Abarth, Lancia, Jeep, Chrysler, Dodge, RAM, Peugeot and Citroën in your garage, with Family Sharing. Try Demo mode first — no adapter needed.

Coming soon to the App Store

Coverage is mapped from a diagnostic catalog of these models and is provided as-is, with no warranty. Some cars may not respond, some features may be unavailable on your car’s software version, and some adapters may be incompatible — always confirm with Demo mode and the in-app compatibility check before relying on any result. Motortune is an independent diagnostic tool and is not affiliated with, sponsored by, or endorsed by Stellantis or any of its brands. Make, model and control-unit names appear here only to describe vehicle compatibility. All trademarks remain the property of their respective owners.