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Electrical systemPart report

2005 Pontiac Montana Electrical system Problems

Complaints
17about this part
Share
21%of 81 total for the year
Median mileage
39,000miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 17 complaints about the electrical system of the 2005 Pontiac Montana, 21% of the 81 complaints for this model year. Where a mileage was given, the median is 39,000 miles. 2 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“For several days we noticed as strong chemical like smell in the car and then noticed that the mirror control no longer worked. I took off the driver's side door switch panel to investigate the mirror problem and found the mirror control had been smoldering for days. The assembly was completely charred and mating connector had also melted.”

NHTSA complaint #10315619, filed 2010-03, 130,000 miles

“Since purchasing nearly 2 yrs ago from a local dealership, it has had numerous minor issues and some dangerous problems as well. My main concern is that the drivers side automatic sliding door doesn't function properly. We had the van looked at by a mechanic from the dealership and he was unable to remedy the problems with the door. The slider door opens randomly, won't shut, or just keeps opening and shutting for no particular reason. We've tried turning the switch off on the console, which for the most part keeps the door shut~ but then that door is unusable. …”

NHTSA complaint #10373776, filed 2011-01, 64,000 miles

“When driving at night the headlights, dash lights and radio dim, like they are having surges of power. The volume on the radio also goes up and down. I have been spotlighted at night by on coming cars because they think I have my bright lights on but that is when they are surging . I have been to two different dealers. One said it was a problem with the electric pollution pump and the other said it was related to the charging system. Both have stated that GM has considered this a normal condition. In my opinion this is dangerous.”

NHTSA complaint #10157199, filed 2006-05, 21,000 miles

“This is a safety issue involving ABS system for my 2005 Pontiac sv6 Montana. On or about august 11, 2006 my ABS light came on while under normal operation of the van. This has been an intermittent problem over the past 6 weeks. I took it to a local independent shop to have it diagnosed and the local shop informed me that the codes were to new that I would have to take it to a dealership. After taking it to the dealership they diagnosed it as having an electrical problem. There were no faulty modules but that this was a wiring problem. I am the only owner of an 05 Pontiac Montana that I know. …”

NHTSA complaint #10169802, filed 2006-10, 40,000 miles

“Numerous attempts to fix the same and continuously different problems with our 2005 Montana. Flickering interior lights, ABS system failure (4x), retorque harmonic balancer, replace radio that randomly changed stations, replace molding on all doors from rust (2x), right wheel bearing and hub assembly replacement (2x), replace turn signal lamps (2x), replace fuel level sensor, replace strap on rear door that fell off. …”

NHTSA complaint #10214471, filed 2008-01, 11,258 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2006822%
20051721%
2004513%
20031518%
200297%
20012013%
20002210%
1999146%
1998510%
199716%

Other parts of the 2005 Pontiac Montana

Body and structure
21 complaints
Latches, locks and linkages
19 complaints
Air bags
7 complaints
Brakes
7 complaints
Other or unknown
7 complaints
Transmission and drivetrain
6 complaints
Engine
4 complaints
Fuel system
4 complaints
Seats
4 complaints
Suspension
4 complaints
Vehicle speed control
4 complaints
Engine cooling
3 complaints

← All problems reported for the 2005 Pontiac Montana

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology