TELEMATICS SERVICE INFORMATION HINT: This bulletin applies to vehicles equipped with a 4G network compatible TCU. TCUs compatible with 3G network only are no longer supported. SERVICE INFORMATION The APPLIED VEHICLES that come equipped with a factory installed SOS switch, located near the overhead map lamp, also come equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active NissanConnect® Services subscription, the TCU communicates with the NissanConnect® Services Data Center to provide various security and convenience services. This bulletin contains important service procedures that must be performed properly in order to set-up and maintain
full bulletin at NHTSA ↗2018 Nissan Maxima electrical problems
moderate Owners of the 2018 Nissan Maxima have filed 5 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2014 Maxima | 7 |
| 2016 Maxima | 20 |
| 2017 Maxima | 10 |
| 2018 Maxima (this page) | 5 |
When does it fail?
Of the 5 electrical complaints filed for the 2018 Nissan Maxima, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
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.
No new NHTSA electrical complaint has been filed on this vehicle in over 6 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.
INTELLIGENT CRUISE CONTROL INOPERATIVE AND AEB/FEB WARNING LIGHT ON OR RADAR OBSTRUCTION MESSAGE DISPLAYED WITH DTC C1A16 OR C2582 IF YOU CONFIRM IMPORTANT: The purpose of ACTION (on the next page) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply t
full bulletin at NHTSA ↗AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING APPLIED SYSTEMS: Vehicles equipped with a lane camera (see Figure 1) SERVICE INFORMATION If the Automatic Emergency Braking (AEB) warning light or is blinking (but not illuminated steadily) or the customer states it is blinking, and there are no related DTCs, inspect the windshield. A blinking AEB warning light may occur under the following conditions: When contamination or foreign material adhere to the lane camera viewing window on the windshield. When driving while it is snowing or when frost forms on the lane camera viewing window on the windshield. When the lane camera viewing window on the windshield is temporarily fogged up. Fig
full bulletin at NHTSA ↗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 ↗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 ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
When driving a error message on the front radar randomly appears. It says "unavailable front radar obstruction" and affects the adaptive cruise control. This error is happening even in clear road conditions and for no reason. Other people are reporting same error message for no reason also.
When is in motion on any type of street and also at a stop, when getting close to a vehicle or if someone cuts in front of me, or if there is a street sign directly in front of the car, this message appears very briefly "unavailable front radar obstruction" which also shows the icon of two front end of cars colliding. This happened immediately after puchasing my 2018 maxima. The dealership has…
Show me warning of obstruction on radar for emergency brake
Unavailable front radar obstruction. This alert happens at random times when driving, it puts the sensor in an unavailable mode which in turns does not allow the safety function to work properly. I have done searches online and this is happening not only to maximas but to other Nissan make/models. This is not a one time and done occurrence it happens often. When we purchased the car safety was…
Common questions
How serious is the electrical problem on the 2018 Nissan Maxima?
It's a documented issue but not catastrophic. 5 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?
Based on the 5 complaints filed, electrical issues most often appear around 30,729 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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.