OBD2 Enhance Trouble Code Lite vs Carmin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBD2 Enhance Trouble Code Lite
This app provides definitions and potential causes for On-Board Diagnostics (OBD) trouble codes. It covers a wide range of generic and manufacturer-specific codes for numerous vehicle models, helping users understand and potentially fix error codes.
- DTC definitions from workshop manuals
- Possible causes for error codes
- Covers 73 vehicle models
- Supports P, B, C, U system codes
- Includes generic and OEM codes
- OBD1 code support
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OBD2 Enhance Trouble Code Lite is best app look up On Board Diagnostics Trouble Codes Definition. OBD2 Enhance Trouble Code = DTCs definition + possible causes. * DTCs definition accurate from workshop manual. * Possible causes will help you to quickly fix error codes. --------- Features Lite: * 200200 diagnostics trouble codes definition. * Error codes check engine light 73 different models of automobiles. * System Codes: PXXX(Powertrain), BXXX(Body), CXXX(Chassis) and UXXX(Network). * Generic Codes: P0XX,P2XX,B0XX,B2XX,C0XX,C2XX,U0XX,U2XX. * OEM/Manufacturers Codes: P1XX,P3XX,B1XX,B3XX,C1XX,C3XX,U1XX,U3XX. * OBD1 Codes: Y, YY, YYY, YYYY Features Pro Version: * No Ads * 200200 diagnostics trouble codes definition.(Periodic Updates) * Supported 73 different models of automobiles. * System Trouble Codes: P(Powertrain), B(Body), C(Chassis) and U(Network). * Generic Trouble Codes: P0XX,P2XX,B0XX,B2XX,C0XX,C2XX,U0XX,U2XX. * OEM/Manufacturers Enhance Trouble Codes: P1XX,P3XX,B1XX,B3XX,C1XX,C3XX,U1XX,U3XX. * OBD1 Codes: Y, YY, YYY, YYYY ---------- Use App: * Select vehicle -> Input code -> See definition and possible causes. ---------- Vehicle Supported: GENERIC ABARTH ACURA ALFA ROMEO ASTON MARTIN AUDI BENTLEY BMW BUGATTI BUICK CADILLAC CHEVROLET CHRYSLER CITROEN DACIA DAEWOO DAIHATSU DODGLE EAGLE FERRARI FIAT FORD GEO GMC HINO HOLDEN HONDA HUMMER HYUNDAI INFINITI ISUZU IVECO JAGUAR JEEP KIA LAMBORGHINI LANCIA LAND ROVER LEXUS LINCOLN LOTUS MASERATI MAYBACK MAZDA MERCEDES MERCURY MG MINI MISUBISHI NISSAN OLDSMOBILE OPEL PEUGEOT PLYMOUTH PONTINAC PORSCHER RAM RENAULT ROLLSROYCE SAAB SCION SEAT SKODA SMART SSANGYONG STATURN SUBARU SUZUKI TATA TOYOTA VAUXHALL VOLKSWAGEN VOLVO
Carmin
Access a comprehensive library of regularly updated automotive electrical wiring diagrams for car repair and study. Includes videos and technical documents for research and reference.
- Electrical wiring diagrams
- Regularly updated diagrams
- Videos library
- Technical documents
- Car repair reference
- Study purposes
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Regularly update for trustful Electrical Wiring Diagrams and can be used to refer when you do repairing car or study purpose. Videos and technical documents library for research, reference just by some clicks. Terms of Service: http://carmin-backend.appspot.com/tos
Screenshots
Verdict
The clearest difference is in-app purchases: OBD2 Enhance Trouble Code Lite at none against Carmin's 2. OBD2 Enhance Trouble Code Lite also leads on rating (4.6 vs 4.3). Carmin's advantage is update cadence (every 5 weeks vs every 6 months) and ratings volume (223 vs 7). On price, review sentiment, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Carmin sells 2 in-app purchases, starting at $4.99 per month. OBD2 Enhance Trouble Code Lite asks for nothing beyond the download.
OBD2 Enhance Trouble Code Lite holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Carmin has 223 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 60% of OBD2 Enhance Trouble Code Lite's written reviews are positive against 55% of Carmin's.
OBD2 Enhance Trouble Code Lite ships an update every 6 months, Carmin every 5 weeks. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.
| Parameter | OBD2 Enhance Trouble Code Lite | Carmin |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (7 ratings) — better | 4.3 (223 ratings) |
| Positive reviews | 60.0% of reviews — better | 54.9% of reviews |
| Number of ratings | 7 | 223 — better |
| Update frequency | Every 6 months | Every 5 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 12 — better |
| Further details — not scored | ||
| Size | 30 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Sang Tran | Chuan Nguyen Van |
Customer experience
OBD2 Enhance Trouble Code Lite
Carmin
Bugs and requests
OBD2 Enhance Trouble Code Lite
Not enough reviews yet to summarise bugs or requests.
Carmin
Reported bugs
14 issues- App crashes when opening diagrams on iOS
- App only opens one diagram per session before crashing
- Requires reinstallation to function properly
- Diagrams display as code/hieroglyphics instead of images
- Crashes on iOS 15, 16, and 17
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- Startup errors and loading hangs
- iPad display issues (missing diagrams on tablets)
- Incorrect diagram rendering (e.g., Ford Mustang displays crooked)
- Save and print functions not working
- Malicious ad redirects to fake TEMU website
- Ad close buttons unreachable or hidden behind timers
- App incompatible with certain iOS versions
- Crashes when selecting vehicle brands
- Performance degradation after multiple uses
Requested features
15 requests- Search functionality by make/model/year
- Alphabetical sorting of vehicles
- Favorites/bookmarks for frequently used diagrams
- Wiring color codes display
- Ability to isolate specific wiring for clarity
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- Support for older vehicle years (pre-2000)
- Multilingual support (Russian, Spanish, Arabic, German)
- Text entry box for quick vehicle lookup
- Reduce ads in free version
- Support for right-hand drive vehicles
- iPad/tablet optimization
- Add missing vehicle models (Hyundai Elantra, Chevy Malibu 2016-2022, Toyota Veloz, Raize, Wigo)
- iOS 13+ compatibility
- Save and print PDF functionality
- Offline access to diagrams
In-app purchases
OBD2 Enhance Trouble Code Lite
No in-app purchases
Carmin
- Monthly$4.991 Month
- Annual$49.991 Year
