2012 Toyota Tundra Electrical System problems, defects and reviews. Updated October 14, 2017.

Toyota Tundra Electrical System problems and reviews: 3.

Are you driving a 2012 Toyota TUNDRA, or planning to buy one? Review reported Electrical System problems and defects.

Electrical System Toyota 2012
Toyota
Location
Greer, SC
Model Tundra
System Electrical System
Speed 0

On 4/5/16, I Started My 2012 tundra To Go To Work. Engine Light Comes And Stays On. Called Local Dealer And Took The Truck In. 5 Hours Of Diagnostic Testing Reveals Code P0418 (secondary Air Intake System) Issue On My 2012 tundra. Cost Of Repairs, $2048.00. After Some Research Into This Code P0418, I Find That It Is A Reoccurring Problem For tundras, Tacomas And Sequoias Dating Back To 2000 – 2010. Repair Costs Of Up To $4,000. Supposed To Be Resolved In 2011 + Models. Not So. If This Is Not Corrected, The Truck Could Go Into Limp Mode, Restricting Power And Depending On Where This Occurs, Could Lead To A Dangerous Situation. No Way Preventative Maintenance Will Help Identify This Issue. I Called toyota Customer Service And They (toyota) Were Willing To Pay For Half Of My Repairs, Which I Appreciate. However, They Knew This Was A Problem Dating Back To 2000, Made Attempt To Correct And Still An Issue. Seems Like This Should Be Investigated Further Based On The Fact That This Continues To Plague Owners.

Mileage was 87992 miles. Vehicle Identification Number (VIN):5TFDM5F16CX. TOYOTA TUNDRA 2012 problem was reported in GREER, SC. Vehicle was not using ANTI-LOCK BRAKES. Vehicle was not using Cruise Control. VEHICLE SPEED: 0 mph.

Apr 05, 2016

Electrical System Toyota 2012
Toyota
Location
Escondido, CA
Model Tundra
System Electrical System
Speed

This Truck Has Continued To Have electrical Problems Because Rats Get In The Engine And Eat The Wires. This Issue Always Happens When The Truck Is Parked. This Time The Rats Only Made A Nest But The Last Time Costs Me About $1200.

Mileage was 12000 miles. Vehicle Identification Number (VIN):5TFUY5F16CX. TOYOTA TUNDRA 2012 problem was reported in ESCONDIDO, CA. Vehicle was not using ANTI-LOCK BRAKES. Vehicle was not using Cruise Control.

Aug 18, 2016

Electrical System Toyota 2012
Toyota
Location
Winchester, KY
Model Tundra
System Electrical System
Speed 55

Truck In Limp Mode. Would Not Exceed 40mph. Vehicle Limped Home And Towed To Dealer. Rodents Had Chewed electrical Wires Per toyota Dealer. Upon Investigation toyota Began Using Soy-based Wiring In Their Vehicles Instead Of Petroleum-based And Didn’t Notify Their Customers. Soy-based Products In Vehicles Have Been Known To “attract” Rodents Versus Petroleum Based Products. My 2012 tundra Was Still Under Warranty And toyota Denied Said Warranty Because It Wasn’t A “failure” Of Their Parts. The Vehicle Would Not Accelerate Properly Or Steer Properly Because The Traction Control And Ecm Had Failed. This Could Cause Serious Injury Or Harm Due To An Unsuspecting Interruption In Speed And Traffic Flow, As A Result Of Wiring Separation Occurring While Operating The Vehicle.

Mileage was 47000 miles. Vehicle Identification Number (VIN):5TFUW5F17CX. TOYOTA TUNDRA 2012 problem was reported in WINCHESTER, KY. Vehicle was not using ANTI-LOCK BRAKES. Vehicle was not using Cruise Control. VEHICLE SPEED: 55 mph.

June 16, 2017

2012 Toyota Tundra problems and complaints, up-to-date recall information and reviews. If you are researching a used Toyota Tundra, driving a 2012 Toyota Tundra, or if you are planning to purchase one, review owner-reported Electrical System problems and defects.

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