Garmin G1000 Nav III Error Codes: List of 13 Codes and Their Meaning

This is the list of error, fault codes the Garmin manual gives for the G1000 Nav III G1000 Nav III. Find your code below and open it for what the manual says about its causes and what to do.

Error codes from p. 36

Code	What it means	Page
`AFCS`	AFCS System Failure	p. 36
`PTCH`	Pitch Axis Failure	p. 36
`PTRM`	Pitch Trim Axis Failure	p. 36
`ROLL`	Roll Axis Failure	p. 36
`Jele`	Elevator Mistrim Down	p. 36
`TELE`	Elevator Mis-Trim Up	p. 36
`AIL→`	Aileron Mistrim Right	p. 36
`S1`	The G1000 has detected a failure in G/S1 receiver	p. 80
`S2`	The G1000 has detected a failure in G/S2 receiver	p. 80
`MANIFEST`	GIA1 software mismatch. Communication Halted.	p. 82
`GRS1`	The system has detected an incorrect software version loaded in GRS 77 or the GMU 44.	p. 85

Fault codes from p. 65

Code	What it means	Page
`MDF1`	The MFD supply voltage is low	p. 65
`GMU1`	The system has detected an incorrect software version loaded in the GMU 44.	p. 86

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with Garmin. Found a mistake? Report an error.