Goodman furnace code E1: Low-Stage Pressure Switch Stuck Closed
Professional repair
What does E1 mean on a Goodman furnace? The low-stage pressure switch reads closed while the inducer is off. The control waits until the fault clears. Cause per manual: faulty switch or shorted wiring.
Before you touch anything: the six signs that mean stop troubleshooting and call a pro →
GOOD NEWS: THE FIRST CHECKS ARE FREE AND TAKE MINUTES.
Try these first — in this order
Check for pinched wires only.
Switch replacement and circuit diagnosis. DIY part cost: $25–60 — a pro visit for this class of fault typically runs $150–350.
What causes it (in order of likelihood)
- Faulty pressure switch or shorted wiring TECH
Parts referenced by this code
Always match parts against your model's parts list — part numbers vary within a series.
Questions about this code
What does E1 mean on a Goodman furnace?
The low-stage pressure switch reads closed while the inducer is off. The control waits until the fault clears. Cause per manual: faulty switch or shorted wiring.
How do I fix Goodman furnace code E1?
There's no safe homeowner fix; a technician should test the switch and wiring. Never jumper or bypass the pressure switch.
How much does it cost to fix Goodman furnace code E1?
The manual names a faulty switch or shorted wiring. Which one it is, plus local labor and parts availability, will shape the cost after a technician tests the circuit.
Applies to
GMVC96 · GCVC96
Different Goodman generations use different code maps. If your series isn't listed, don't assume this meaning — check your blower-door label.
Same control platform, same code: Amana furnace code E1
Verified against Goodman GMVC96/GCVC96 Service Manual, p.44
Last verified 2026-07-06 · page updated 2026-10-03 · how we verify
Other Goodman furnace codes
These links include other Goodman model families. Code meanings can change by model and control board, so confirm your model and service manual before using a definition.