# DDec Decoder

> Vehicle ECM fault code reader and reporter. (iPhone/iPad app by Raymond Davis.)

- Source: https://appshunter.io/ios/app/ddec-decoder/id605644367 (this page in markdown: same URL + `.md`)
- Developer: [Raymond Davis](https://appshunter.io/developer/595046748)
- Category: Travel, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 1 MB
- Languages: American English
- Released: 2013-02-25
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ddec-decoder/id605644367/reviews.md

## What is DDec Decoder?

DDec Decoder is a companion application to RV Dash.  Utilizing the same CANpod hardware it allows the user to connect to the vehicle ECM and request fault codes.  The app will display both historic and active faults.

The fault codes can be cleared, and a report emailed for long term storage.

## Key features

- Connects to vehicle ECM
- Displays historic and active faults
- Clears fault codes
- Emailed fault reports
- Companion to RV Dash


## Frequently asked questions about DDec Decoder

### What is DDec Decoder used for?

DDec Decoder is a companion app for RV Dash that connects to your vehicle's ECM using CANpod hardware. It allows you to retrieve, display, and clear fault codes, and email reports for storage.

### What devices does DDec Decoder support?

DDec Decoder is available for iPhone, iPad, and iPod devices.

### How often is DDec Decoder updated?

The latest version, 1.2, was released on April 26, 2020. The app was originally released on February 25, 2013.

### What is the age rating for DDec Decoder?

DDec Decoder has an age rating of 4+.

### Does DDec Decoder require the CANpod hardware?

Yes, DDec Decoder requires the CANpod hardware to connect to the vehicle ECM and function.

### Can I clear fault codes with DDec Decoder?

Yes, DDec Decoder allows you to clear both historic and active fault codes from your vehicle's ECM.

### What is the user rating for DDec Decoder?

DDec Decoder has a perfect rating of 5.0 stars based on 1 review.

### Is DDec Decoder free to use?

Yes, DDec Decoder is available for free.

## Version history (last 4 releases)

### 1.2 — 2020-04-26

DDec Decoder now works with all iPhone and iPads introduced since 2017.
Error code information database has been updated to provide more accurate error code definitions.
CANpod access code has been threaded to provide better and faster response.
DDec Decoder now handles duplicate error messages from multiple different devices on the vehicle, giving clearer code explanation.

### 1.1 — 2017-01-31

Updated from previous build dating back to IOS5
Updated to latest IOS development standards including auto-layout and ARC
Fixed decoding bug for active error codes with a zero count from DDEC device
Fixed bugs with clearing DDEC error codes which had a zero count
Added flash codes to error reports, which are helpful when following DDEC trouble-shooting manuals
Added support for landscape modes
Update launch images and app icons

### 1.0.1 — 2013-04-02

Bug fix where ReadErrors button was tapped while no CANpod was connected, causing an infinite loop.

### 1.0.0 — 2013-02-25

No release notes.

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## More apps by Raymond Davis

- [RV Dash](https://appshunter.io/ios/app/rv-dash/id595046745)
- [SWTracker](https://appshunter.io/ios/app/swtracker/id1546390212)

All apps by Raymond Davis: https://appshunter.io/developer/595046748

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*