Jeep coding and diagnostics on your iPhone
Wrangler, Gladiator, Grand Cherokee, Cherokee, Compass and Renegade. Off-road pages, tyre size after a lift, key fob programming, TPMS sensor IDs and a fault scan before a trail day.
Popular changes on a Jeep
Real option names from the modules MopCoder reads. Which ones your car shows depends on the modules and software it was built with.
- Off-road pages
- Tyre size
- Daytime running lights
- Horn chirp on lock
- Auto high beams
- 3-mode ESC
Every coding option we list
Lights
- Daytime running lights
- Headlamps on with wipers
- Front fog lights
- Mirror turn signals
- Rear LED turn signals
- Greeting and approach lights
- Auto high beams
Locks & keys
- Flash hazards on lock
- Horn chirp on lock
- Horn chirp duration
- Unlock all doors on first press
- Auto door unlock
- Program key fobs
Comfort
- Remote start
- Heated seats
- Heated steering wheel
- Power folding mirrors
- Seat memory
- Garage door opener
- Auto wipers
Dashboard
- Seatbelt chime
- SRT pages
- Off-road pages
- Speedometer calibration (−16% to +16%)
- Odometer units
- Compass display
- Oil service reset
Safety
- Tyre size
- Tyre pressure monitoring
- 3-mode ESC
- Rear camera guidelines
- Forward collision warning
- Lane departure warning
- Adaptive cruise control
Audio
- Apple CarPlay and Android Auto
- Uconnect apps
- Navigation
- SiriusXM satellite radio
- Premium sound system
- Radio market and country
Engine
- Engine idle shutdown
- Active exhaust valves
Service and security on a Jeep
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 Jeep
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
| Feature | Dodge, Jeep, Chrysler, RAMand Alfa Romeo, Fiat, Abarth, Lancia, Maserati |
|---|---|
| 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 Jeep
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.
Supported Jeep models
- Cherokee (KK)2008–2013
- Cherokee (KL)2014+
- Commander (XK)2006–2010
- Compass (MP)2017+
- Compass / Patriot / Liberty (MK)2007–2017
- Gladiator (JT)2019+
- Grand Cherokee (WK)2005–2010
- Grand Cherokee (WK2)2011+
- Liberty (KK)2008–2015
- Liberty / Cherokee (KJ)2006–2007
- Renegade2014+
- Wrangler (JK)2008–2017
- Wrangler (JL)2018+
Don’t see yours? The app also lists regional and engineering variants. Search every brand.
Which adapter for a Jeep?
OBDLink MX+. Our recommendation. Reaches every bus an FCA car has, including the comfort modules on MS-CAN. Pairs once in iOS Settings.
Plug in your Jeep.
Download MopCoder, pick Demo, and see what it would show you about your car before you buy an adapter.