Goodman furnace: Data Not Yet on Network (d0)
Professional repair
What does d0 mean on a Goodman GMVM97 furnace? The control has no shared data set (NO NET) — the furnace can't run until a model-specific memory card loads it. Display shows ON once data is accepted.
Dealer memory card for your exact model.
What causes it (in order of likelihood)
- Board replaced without loading shared data TECH
Parts for this code
No specific part number is verified for this code — it typically points at wiring, power, a blown fuse, or communication between components rather than one standard replacement part. If your diagnosis does land on a replaceable component, match its part number against your model's parts list before ordering.
Applies to
GMVM97
Different Goodman generations use different code maps. If your series isn't listed, don't assume this meaning — check your blower-door label.
Verified against Goodman GMVM97 Service Manual, p.65/68
Last verified 2026-07-06 · how we verify
Related Goodman fault codes
These codes use the same modulating furnace (gmvm97) — dual 7-segment display system.