2017 Toyota Tundra electrical system problems

“Odometer Fraud. The contact purchased a 2017 Toyota Tundra. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of the purchase, the vehicle mileage was 95,000. It was later discovered upon checking the Carfax report the mileage was 200,000.”

“Headlights go out randomly usually when using turn signal. Because this happens at night all visibility is lost temporarily. This also confuses other drivers. I haven’t taken the vehicle to the dealer because the symptom is very sporadic and difficult to duplicate. Dealerships will not fix anything unless they can witness the issue. No warning lights or messages were displayed. This problem has been documented numerous times by many different owners on Toyota Tundra forums.”

“Intermittent failure of the integrated trailer brake controller system. System indicates a frequent intermittent fault indicating a wiring or connection issue that disables the signal to activate the trailer brakes resulting in no trailer braking. Vehicle and trailer are available for inspection. I was travelling down a 6% grade mountain (Arizona SR87 MP224) an exhibited a loss of trailer brakes. Taking the trailer to the dealer on flat level service experienced intermittent loss of trailer brakes. Toyota Integrated Brake Controller (IBC) intermittently and randomly indicating a fault in the trailer wiring. •Rapid clicking of the IBC’s electrical relays. •In fault mode, the IBC disables the trailer brakes. •Sometimes the IBC works perfectly for miles and then goes into fault mode for an unknown reason. •Sometimes, the IBC goes into fault mode just plugging the trailer into the electrical socket without even taking the truck out of drive or depressing the brake pedal. •All external trailer lights include turn signals are functioning normally. Examination and diagnosis to date: •Toyota IBC was removed and replaced with a Tekonsha P3 brake controller using a…”

“https://static.nhtsa.gov/odi/tsbs/2019/MC-10170730-9999.pdf It is this issue. I just bought my truck at 83000 miles and toyota would not fix it since it is 3000 miles over the emission warranty.”

“As I am driving down the pickup loses power/ has no power. Was driving down the interstate and trying to make it up the Harbor bridge I could only go 40. Then try to pass a semi that (BAD DRIVER) was dangerously close, I could not even pass him. Not to mention people were angry at me and getting defensive. There were no warning lights, I took it in immediately. It has been inspected by my secondary warranty I purchased. ( Tripple Diamond 1-833-909-0015 or 1-844-526-0415 our policy # is [XXX] under [XXX] -So I take it to the Toyota Dealership in Corpus Christi Texas, They then tell me it is my Secondary air pump (both Sides) and Valves including Gasket, Air Tube, Pump Assembly, air, (2 both sides)/inlet, Air pump(1) and valve set, emission (1) That was on 12-16-2022 (it has been there since) this will cost me $3,205.38 out of pocket. But the real problem is that there is a long waiting list of people waiting for this same part, so no one can get it. Many people with the same problem last I called I was 44 people in line. I only have 75,000 miles on my truck, and still have the same tires That are in great shape (I rotate them) So for this to happen seems…”

“When driving at night, the front lights of the vehicle turn off randomly. Been driving on an highway at going at 75mph and randomly the headlights shuts off. Happened 4 times in the past year.”