Error Code Ed6
High

Goodman GMVC960803BN Error Code Ed6: Unrecognized Data ID

TL;DR
The Goodman GMVC960803BN control does not recognize the data identification on the shared data or memory card — an incompatible or corrupted data ID. The correct model-specific card is required.
Disclaimer
This article is for informational purposes only and does not guarantee the accuracy or completeness of the information provided. Always turn off power and gas supply before attempting any repairs. If you smell gas, leave immediately and call your gas company. Consult a licensed HVAC technician for diagnosis and repair. Any actions taken based on this information are at your own risk.

What Does Code Ed6 Mean?

Error code Ed6 ("Unrecognized Data ID") on the Goodman GMVC960803BN means the integrated control module found a data identification tag on the shared data or memory card that it does not recognize. Every legitimate shared data set carries a data ID that tells the control which model and configuration the data belongs to. Before the GMVC960803BN's variable-speed control will use a data set, it checks that ID against the identifications it knows. When the ID is not on that list, the control cannot place the data and reports Ed6.

This differs in a specific way from its siblings Ed1 and Ed4. Ed1 and Ed4 describe data that the control read and then REJECTED as invalid — typically a wrong-model card whose contents did not match. Ed6 is narrower: the control could not even recognize the data's identification in the first place, so it never got to validating the contents. In practice an unrecognized ID usually comes from a memory card that is incompatible with this control — for example a card from a different product line or a much older or newer generation whose ID format the control does not know — or from a card whose data ID field has been corrupted or overwritten. Either way the control has nothing it can trust to identify the data.

Because the GMVC960803BN cannot run without a valid, identifiable shared data set, the resolution is to obtain a memory card confirmed compatible with this exact model and control board, then re-program. Keep Ed6 distinct from Ed0 (the board holds no data at all) and from Ed5 (the firmware image itself is corrupted, which is a separate layer from the shared data).

What You'll Notice

Common Causes

Cause Likelihood DIY?
Incompatible or wrong memory card for this control board Most common ✗ Call a pro →
Corrupted data identification Common ✗ Call a pro →

How This Is Diagnosed

A technician confirms Ed6 means the control could not recognize the card's data ID, so they focus on card compatibility rather than a simple wrong-model swap. They contact the Goodman distributor or technical support with the furnace model number and the control board part number to identify a card whose data ID this control will recognize. They power the furnace off, insert the confirmed-compatible card, and restore power so the control reads and stores a valid, identifiable shared data set. If a physically correct card still yields Ed6, they treat its data ID as corrupted and try a known-good replacement. A successful load clears Ed6. This is professional service work, described here for information only.

When to Call a Professional

This code involves components that are not homeowner-serviceable, so have a licensed HVAC technician diagnose and repair it. Keep in mind:

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Frequently Asked Questions

Can I fix this myself?

No. Ed6 is cleared only by loading a shared data set from a memory card whose data ID this control recognizes — a Goodman service part obtained through an HVAC distributor or Goodman technical support and installed by a technician. There is no homeowner reset that makes the control accept an unrecognized data ID.

How is Ed6 different from Ed1 and Ed4?

Ed1 and Ed4 mean the control read the card's data and rejected it as invalid, usually a wrong-model mismatch. Ed6 is more basic: the control could not even recognize the data's identification, so it never validated the contents. It typically points to an incompatible or corrupted card rather than simply the wrong model.

Why would a memory card have an unrecognized data ID?

Most often because the card is from a different product line or a much older or newer generation whose ID format this control does not know, or because the card's data ID field is corrupted. In both cases the control has no trustworthy way to identify the data and reports Ed6.

Sources

  1. Goodman GMVC96/GCVC96 Series Service Instructions (RS6612014)

✓ Verified against manufacturer service manual — March 2026