2009 Infiniti G37 electrical problems: complete loss of electrical power

Complete Loss Of Electrical Power

2009 Infiniti G37

This problem may be covered under warranty. Ask your Infiniti dealer.

8.0

pretty bad
Typical Repair Cost:
$300
Average Mileage:
66,200 miles
Total Complaints:
6 complaints

Most Common Solutions:

  1. replaced battery (2 reports)
  2. check every ground or relay to find defect (1 reports)
  3. not corrected, dealer still has car (1 reports)
  4. not sure (1 reports)
  5. replace or repair failed part (1 reports)
2009 Infiniti G37 electrical problems

electrical problem

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2009 Infiniti G37 Owner Comments

problem #6

Jan 012017

G37 3.2L V6

  • Manual transmission
  • 173,000 miles

A D V E R T I S E M E N T S

I replace the battery in my car twice and at times it still drags to start or the lights go off and on by itself, the lights go dim or just won't come on. Unable to drive at night until it's figured out.

- Alisa G., Columbia, SC, US

problem #5

Sep 112014

G37 Journey V6

  • Automatic transmission
  • 28,401 miles

Second time this happened in 18 months! First time, another dealer said that 'Vent Control Valve" problem had caused battery drain. This dealer said it was all my fault for not driving car enough, notwithstanding the fact that I had driven it for an hour on highway four days prior to dead battery; returned on day 3 for another hour at highway speeds; on day two drove 5 min each way to run an errand locally; following day car sat in garage. Next mooring dead. Dealer said 'G37 has a high compression engine and takes a considerable battery draw to start the engine. I told dealer about tech bulletin B10-010C, but they said that solution had previously been applied to my vehicle and was unrelated to current problem (of 18 month old battery found dead after car had been driven over two hours in four days previous to this incident).

So, either:

1). Dealer doesn't know how to service car, so no Infiniti will be purchased again

2). or, this is not the car for my life style and I need to figure out how to find a car with lower compression/higher battery ratio.

Granted, I take a lot of short, 5-10 minute trips, but I need a car that can accommodate suburban errand running without a lengthy daily commute, so no Infiniti will be purchased again.

- deskandchairs, Lacey, WA, US

problem #4

Apr 072012

G37 Sport Coupe 3.7L

  • Manual transmission
  • 43,000 miles

This is the third time this has happened and Infiniti claims there is not an electrical issue with my car. They keep coming up with excuses as to why they will not do a complete ground check - "Infiniti won't pay for it", "Too many grounds to check". When the car was towed into Orlando Infiniti 4/9/12, the Service Manager stated to me "I'm not sure what Infiniti is going to let us do".

My car looses complete power, no headlights, no brake lights, car won't unlock, trunk won't open, etc. Total neglect from Infiniti. At this point, my safety is at risk due to my job putting me in unsafe neighborhoods with a car that "may" or "may not" start and Infiniti says there has not been "a reasonable amount of repairs yet" to warrant buying car back.

- cfant, Daytona Beach, FL, US

problem #3

Mar 012013

G37 G37 3.2L V6

  • Automatic transmission
  • 63,623 miles

A D V E R T I S E M E N T S

Well I been driving the vehicle for a week and the day I went to buy it the battery was dead the salesman gave it a boost and it crank right away without any problems. I drove the car to my house for the weekend and on Monday it was completely dead again so I thought it was the battery so I took it to the mechanic to have the battery check and it came with good results no problem with the battery. so I crank it again and it worked it has not happen yet again but I am sure it will so if it happens again I will buy a battery and see if the battery is the problem. my car have all the bell and whistles so I am sure something in the electronic system is draining the battery. I will keep everyone posted.

- artdecord, San Antonio, TX, US

problem #2

Jun 072011

G37 Sport Coupe 3.7L

  • Manual transmission
  • 42,000 miles

Selling dealer claims to have fixed the problem but it reoccurs occasionally

- cfant, Daytona Beach, FL, US

problem #1

Feb 242012

G37 Sport Coupe 3.7L

  • Manual transmission
  • 47,000 miles

Dealer is not able to find and correct problem. This problem has been in this car for several years and two different dealers say they have fixed it but neither one has actually corrected the problem. Original owner was able to return the car to Infiniti under the Lemon Law. Accepting dealer resold the car but the problem remains.

- cfant, Daytona Beach, FL, US

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