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hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
117,306 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Chevrolet Impala electrical problems

electrical problem

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2005 Chevrolet Impala Owner Comments

problem #5

Feb 102015


  • 180,000 miles


The contact owns a 2005 Chevrolet Impala. While driving 35 mph, the anti-theft system shut down without warning and caused the vehicle to stall. The failure only occurred once. The vehicle was towed back to the contact's residence. The dealer stated that the anti-theft system needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 180,000.

- Euntie, LA, USA

problem #4

May 182014

Impala 6-cyl

  • 124,628 miles
The contact owns a 2005 Chevrolet Impala. The contact noticed that the anti-theft security system warning light was illuminated and it became difficult to move the gear shifter from park. It took the contact between 10-15 minutes to restart the vehicle. The vehicle was taken to the dealer where they repaired the ignition switch. The manufacturer was notified and stated that the vehicle was not included in a recall. The failure mileage was 124,628. Updated 8/28/14 updated 09/8/2014

- Bigrun, PA, USA

problem #3

Jan 192011


  • 145,000 miles
There are no events leading up to the passlock security system leaving a motorist stranded at any given time. The failure happens at least once a week leaving the driver stranded at whatever location he/she cuts the car off. Sometimes it will be 5min before the alarm will reset and sometimes it will be days leaving the motorist without a vehicle. Nothing done to correct the problem because in this instance the alarm won't reset so the only alternative I was given by a GM dealership is to have the system disconnected.

- Flint, MI, USA

problem #2

Sep 242009


  • 130,000 miles
2005 Chevy Impala often times the vehicle will not start. When this happens the security light on the dash blinks, and, after I wait about 10 minutes, it will start. Upon searching the internet for a solution it is obvious that GM knows there are problems with their "pass-lock" anti theft system but will not acknowledge it or repair it for anyone. My mechanic replaced the battery and found no other problems. Suggests I take it to GM dealer.

- Dade City, FL, USA

problem #1

Jun 012007

Impala 6-cyl

  • Automatic transmission
  • 6,900 miles
The contact owns a 2005 Chevrolet Impala. The contact stated that the security alarm intermittently restricted the vehicle from being started. He never took the vehicle to the dealer for inspection. The current mileage was 7,800 and failure mileage was 6,900.

- Oak Park, IL, USA

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