CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗2009 Nissan 370Z electrical problems
moderate 18 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
18
Recalls
0
Avg fix
$850
When does it fail?
Of the 18 electrical complaints filed for the 2009 Nissan 370Z, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA electrical complaint has been filed on this vehicle in over 14 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗12 VOLT BATTERY TESTING FOR IN-SERVICE VEHICLES SERVICE INFORMATION The following Service Information lists NNA procedural recommendations for establishing good connections while performing 12V battery testing. These recommendations are expected to promote uniformity during the connection process, therefore reducing the number of incorrect âTest with DCAâ and âReplaceâ results. HINT: If 12 volt batteries are allowed to discharge for a prolonged period of time, battery life may be drastically reduced. This condition may lead to premature battery replacement and customer dissatisfaction. IMPORTANT: ï· CPX-900 is now an accepted testing tool to use along with or in place of the DSS-500
full bulletin at NHTSA ↗SILICONE-BASED LUBRICANT OR GREASE CAN DAMAGE ELECTRICAL COMPONENTS SERVICE INFORMATION Do not apply Silicone-based lubricants or grease to, or around, any interior electrical components. To avoid the risk of death or severe personal injury, do not directly spray Silicone-based lubricant or grease, or inadvertently overspray Silicone-based lubricant or grease onto any interior electrical components. These types of lubricants can be detrimental to the proper operation of electrical components.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Eighteen owners report electrical problems centered on two main defects. The steering column lock unit fails regularly, leaving owners stranded with a dead car and a yellow key light on the dash. Some owners experience this after a factory recall supposedly fixed it, requiring a second replacement at out-of-warranty costs near $1,000 to $1,500. A few need to hit the start button 7 to 12 times before the engine cranks. Nissan recalled the same part for 2009 GTR models but did not cover standard 370Z vehicles initially, though warranty extensions were later offered on a VIN-by-VIN basis.
The fuel gauge fails to read a full tank after fill-up and becomes progressively less accurate over years of ownership. One owner had the instrument cluster replaced; the fault persisted. Owners point to the fuel sending unit as the root cause and report this is a known, widespread issue Nissan refuses to address as a recall.
A single report documents a blinking airbag warning light that won't extinguish at just 12,400 miles. One owner also mentions the fuel management system loosening below the gas tank after collision repairs—a reported "typical problem" with 370Zs.
Same Nissan 370Z electrical reports on nearby years: 2010
Failure modes owners describe
Steering Column Lock Unit Failure
Electronic steering wheel lock mechanism fails in locked position, disabling vehicle start. Owners report the component fails intermittently or completely after relatively low mileage, sometimes repeatedly even after recall replacement.
When: Typically 25,000–40,000 miles; some failures occur after previous recall repairs at lower mileage
Symptoms owners cite: Car will not start at all; Yellow key light illuminates on dashboard; Lock indicator appears on ignition display; Multiple attempts required to depress start button (2–12 times) before cranking; Vehicle becomes completely disabled and requires towing
Codes mentioned: Steering lock assembly fault, Intelligent key system failure
Repairs/costs cited: Replacement of steering column lock unit; costs cited range from $1,000–$1,500 out of warranty. One owner paid $1,103.50 for replacement after original recall repair at 37,746 miles.
Recalls/TSBs owners mention: Recall P3208 / NTB13-014 issued for some vehicles; recall NTB10-025 (Campaign ID P0309) applied to 2009 GTR models but not standard 370Z. Nissan later extended warranty on steering lock for some VIN-specific cases. Owners note the recall did not cover all 2009 model year 370Z vehicles.
Intelligent Power Distribution Module (IPDM) Failure
Electronic control module fails, preventing vehicle ignition and causing complete loss of electrical functionality. Owners indicate this often occurs in conjunction with steering lock issues or as a secondary failure triggered by steering lock stress.
When: Varying mileage; correlates with steering lock problems or extended lock cycling attempts
Symptoms owners cite: Car will not start; no response to start button; Vehicle completely unresponsive to key fob commands; Yellow key light illuminates; No electrical functions available (headlights, door locks may still work but start fails); Requires towing to dealership
Codes mentioned: IPDM malfunction, Defective intelligent power distribution module
Repairs/costs cited: IPDM replacement required; costs not explicitly stated but described as expensive out of warranty.
Recalls/TSBs owners mention: No specific recall mentioned; warranty coverage status unclear in narratives.
Fuel Gauge and Fuel Sending Unit Failure
Fuel gauge does not read full tank after fill-up and displays inaccurate fuel levels, distance-to-empty, and average MPG. Problem worsens over time. Owners note this is widespread among 370Z models and remains unaddressed by Nissan.
When: Intermittent initially, worsening over 2+ years of ownership
Symptoms owners cite: Fuel gauge does not display full tank after fill-up; Inaccurate fuel level readings on display; Distance-to-empty calculation becomes unreliable; Average MPG reading becomes inaccurate; Issue intermittent but progressively worsening
Codes mentioned: Fuel sending unit malfunction, Fuel gauge system failure
Repairs/costs cited: Dealership replaced instrument cluster on one vehicle; problem persisted. Both fuel sending units scheduled for replacement on another vehicle. Owners believe root cause is in fuel system measurement, not the display.
Recalls/TSBs owners mention: Nissan has refused to acknowledge or recall this as a defect on the 370Z despite it being a known, recurring issue.
Passenger Airbag Warning Light Malfunction
Airbag warning light remains illuminated and blinks continuously despite no actual airbag fault, occurring on very low-mileage vehicles. Single report; noted as a widespread Nissan issue.
When: 12,400 miles
Symptoms owners cite: Passenger airbag warning light will not turn off; Airbag light blinks continuously in dashboard
Repairs/costs cited: No repair details provided; owner expects repair under warranty at no cost.
Synthesized from 18 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Yellow key light illuminated when car was started, even though had key fob in pocket. Went to dinner and upon returning to car, it would not start. Would not do anything, no response to depressing start button. Stranded with wife in 22 degree cold. Had to have it towed to dealer the next day. Ipdm had to be replaced. This is a very common problem with this car. If you google the problem,…
Electric steering column lock was replaced in a recall at 25,824 miles in may 2013. Car in october 2016 with 37746 nukes had problems starting, had to push, "start" button from two to 12 times to get vehicle to start. First dealer replaced battery, needed to be done but problem did not go away. Dealer found that steering column electric lock was intermittently not working and had to be…
Had electrical trouble with your 2009 Nissan 370Z?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2009 Nissan 370Z?
It's a documented issue but not catastrophic. 18 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 17 complaints that reported odometer mileage, most electrical failures cluster between 24,874 and 57,000 miles, with the median around 43,480. A quarter of owners report trouble before 24,874; a quarter make it past 57,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/Nissan/370Z.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.