The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
full bulletin at NHTSA ↗2013 Toyota Prius C electrical problems
severe 18 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
18
Recalls
0
Avg fix
$850
2crashes
When does it fail?
Of the 18 electrical complaints filed for the 2013 Toyota Prius C, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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
Electrical accounts for 32% of every owner complaint on file for this vehicle — the dominant problem area across 6 categories tracked.
No new NHTSA electrical complaint has been filed on this vehicle in over 4 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.
TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
full bulletin at NHTSA ↗TSB: This bulletin includes basic procedures for performing a rescue charge on Ni-MH high voltage (HV) batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing a rescue charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) charger
full bulletin at NHTSA ↗TSB: Some 2012 ? 2014 model year Prius C hybrid vehicles may exhibit a condition in which the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, and/or C1253 may also be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.
full bulletin at NHTSA ↗TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone, or if they have restored their phone data/settings recently.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2013 Prius C report several dangerous electrical failures. The most serious is inverter/IPM failure—the Intelligent Power Module within the inverter assembly shorts prematurely, causing complete loss of power while driving and making power steering impossible to control. One owner was stranded on a freeway; another faced a $5,200 repair bill. Toyota has issued recalls (Campaigns 20V369000 and 14V053000) for the same defect on other VINs, yet denies coverage to some owners despite identical part numbers.
Stalling occurs at both highway and low speeds, sometimes with steering wheel seizure and brake hesitation—genuine safety hazards when a vehicle goes dead around traffic. One incident caused body damage during emergency stop at 35 mph. Starting problems persist after these stalls; vehicles may enter limp mode or require jump-starts only to stall again shortly after.
One owner reported sudden unintended acceleration while their foot was on the brake, causing a collision. The dealer found nothing wrong, and no warning lights preceded it.
Other electrical faults include lost communication between airbag and power management computers (leaving airbags non-functional), soy-based wire harnesses chewed by rodents (costing $3,843 to replace), a smart key system that locked a 10-month-old child inside the vehicle, water intrusion in tail lights causing shorts, and moisture buildup inside the instrument panel creating mold.
Failure modes owners describe
Inverter/IPM Failure with Total Loss of Power
The Intelligent Power Module (IPM) within the inverter assembly fails prematurely, causing complete loss of hybrid system power while driving. Loss of power steering and brakes becomes difficult to apply.
When: Various mileages; one reported at under 150,000 miles; another at approximately 80,000 miles
Symptoms owners cite: Engine stalls on highway without warning; Check Engine and Check Hybrid System lights illuminate; Total loss of power while driving; Loss of power steering function; Vehicle enters limp mode after restart; Difficulty restarting after stall
Codes mentioned: P0A94, P0A1A
Repairs/costs cited: IPM inverter and control computer replacement reported at $5,200; dealer estimates over $4,000 for inverter repair
Recalls/TSBs owners mention: Toyota denied goodwill coverage claiming insufficient service history despite routine maintenance being unrelated to inverter defects. NHTSA Campaigns 20V369000 and 14V053000 reference inverter/hybrid propulsion system issues. Owner reports Toyota excluded their VIN from coverage despite having same part number as recalled vehicles.
Sudden Unintended Acceleration
Vehicle lunges forward with operator's foot on brake, causing collision with vehicle ahead. No warning lights or diagnostic trouble codes present before or after. Toyota dealer inspection found no fault.
When: Mileage not specified
Symptoms owners cite: Sudden forward lunge while foot is on brake; No warning lights before incident; No diagnostic codes present
Repairs/costs cited: Vehicle damage to hood, fender, and lights; damage to struck vehicle approximately $1,400 plus repairs to owner's vehicle; owner purchased replacement vehicle
Recalls/TSBs owners mention: Toyota dealer inspection found no sign of anything wrong with the vehicle
Smart Key/Door Lock Malfunction
Vehicle locks with smart key fob still inside the vehicle, contrary to vehicle design intent. System detectable during two prior driving events but failed to prevent lock when driver attempted to open rear hatch.
When: Not specified
Symptoms owners cite: Vehicle locks with key fob inside despite system detecting key presence during prior drives; Inability to unlock vehicle from outside
Repairs/costs cited: Police required to break into vehicle to retrieve infant locked inside
Engine Electrical Wire Harness Chewed by Rodents
Soy-based wire covering attracts rodents that chew completely through engine electrical wire harness, triggering multiple warning lights and making vehicle unsafe to drive.
When: Less than 45,000 miles with regular maintenance performed
Symptoms owners cite: Brake system warning light illuminates; ABS warning light illuminates; Slip indicator warning light illuminates; Instrument panel message: 'Have the vehicle inspected by your Toyota dealer immediately'
Repairs/costs cited: Complete wire harness replacement required; estimated cost $3,843.83
Recalls/TSBs owners mention: Toyota will not cover cost, claiming design defect is owner responsibility despite soy-based wire covering being manufacturer choice
Brake and Steering System Failure During Motion
While driving at low speeds, vehicle stalls with system failure warning, steering wheel seizes, and brakes hesitate to respond. Vehicle inadvertently turns, creating hazard.
When: Approximately 9,000 miles and 10 mph driving; another at 35 mph on surface street
Symptoms owners cite: Vehicle stalls at low speed without warning; Steering wheel seizes; Brakes hesitate to stop vehicle; Warning indicators illuminate on instrument panel; Vehicle does not switch back into Ready mode
Repairs/costs cited: One dealer diagnosed computer reset needed; vehicle towed for diagnostics
Recalls/TSBs owners mention: NHTSA Campaign 14V053000 (Electrical System, Hybrid Propulsion System) linked to failure, though vehicle model year not included in original recall scope
Inverter/Hybrid System Stalling with Intermittent Starting Issues
Vehicle stalls on freeway with hybrid battery warning, then experiences intermittent starting problems. After temporary recovery from jump-starting, stalling recurs repeatedly, leaving vehicle in low-power mode.
When: Not specified; vehicle has healthy hybrid battery per diagnostics
Symptoms owners cite: Stalling on freeway without warning; Hybrid battery warning light; Intermittent starting problems after stall; Temporary operation after jump-start before recurring stall; Vehicle stuck in low-power/limp mode after stalling episodes; Vehicle charges battery and runs on EV mode occasionally despite stalling issues
Repairs/costs cited: Diagnostics indicate inverter issue; 12V battery and several fuses replaced without resolving problem; hybrid and 12V batteries confirmed healthy
Recalls/TSBs owners mention: Multiple Toyota models recalled for similar inverter issues; owner reports lack of information from Toyota on coverage
ECU Communication Loss - Airbag Malfunction Risk
Hybrid warning light illuminates due to lost communication between SRS (airbag) ECU and Power Management ECU. All wiring is intact with no corrosion, but intermittent miscommunication prevents airbag system from functioning properly.
When: Not specified
Symptoms owners cite: Hybrid warning light comes on intermittently; Lost communication between SRS ECU and Power Management ECU; Airbags not working properly due to miscommunication
Codes mentioned: 3107
Repairs/costs cited: No repair noted; battery is healthy per Toyota dealership diagnostics
Rear Tail Light Lens Water Intrusion and Short
Seam in rear tail light lens and body assembly cracks, allowing water accumulation inside the light assembly. Accumulated water eventually shorts the brake light, creating a safety hazard.
When: Not specified
Symptoms owners cite: Seam cracks at same point on both left and right assemblies (midway closest to rear hatch); Water intrusion into lens assembly; Water accumulation inside light causing short
Repairs/costs cited: Both rear lens and body assemblies must be replaced; part numbers 81551-52A94 (right side) and corresponding left-side part; owner retained old parts and took photographs of matching cracks
Moisture and Mold Inside Instrument Panel
Moisture accumulation inside instrument panel causes mold growth inside vehicle cabin, creating health and safety concern.
When: Approximately 110 miles
Symptoms owners cite: Moisture visible inside instrument panel; Mold growth inside vehicle
Repairs/costs cited: Vehicle not diagnosed or repaired
Recalls/TSBs owners mention: Manufacturer was notified
Synthesized from 18 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 7 most recent
Without warning my 2013 prius C stalled on the freeway with a hybrid battery warning. When the car was shut off it had intermittent problems with starting. After jumping the car battery , it ran normally again for some time before the stalling problem persisted. The hybrid battery stopped running and I received a warning light. Diagnostics at my repair shop said it was an inverter issue.I see…
Car died last night (10/27) aaa not able to jump battery. Bad fuse. Towed to sf Toyota on geary bl. Taken car to shop three times since purchase 7/22/20 for problems. Also told nothing is wrong. This appears to be a safety issue. Also I was told car was damaged, not in major accident. Has signs of heavy damage from 3 accidents. It only has 54,xxx miles on a 2013 prius c.
There is a defect in the rear lens and body assembly, part number 81551-52a94 (right side) and corresponding part on the left side. A seam cracks and allows water into the lens assembly. Eventually, enough water accumulates to cover the brake light causing it to short. The Toyota dealer stated that there was nothing that I could do but replace both assemblies. I have the old parts and have…
Tl* the contact owns a 2013 Toyota prius c. While driving approximately 10 MPH, the vehicle stalled, the steering wheel seized, and the brakes hesitated to stop the vehicle. The contact also stated that the warning indicators illuminated on the instrument panel. The vehicle was towed to a dealer for diagnostic testing. The mechanic diagnosed that the computer needed to be reset. The contact…
My 2013 Toyota Prius has a failed inverter/converter assembly, including the Intelligent Power Module (IPM). This component is critical for vehicle operation and designed to last the life of the car. Premature IPM shorting and inverter failure is a known defect acknowledged by Toyota through multiple recalls and service campaigns for other VINs with the same part number. My vehicle is giving…
The contact owns a 2013 Toyota Prius C. The contact stated while driving approximately 40 MPH, the vehicle shut-off without warning. The contact pulled over and was unable to restart the vehicle. The vehicle was towed to a local mechanic but was diagnosed nor repaired. The contact stated that several unknown warning lights were illuminated. The manufacturer was informed of the failure and the…
failure of the Intelligent Power Module (IPM) within the inverter assembly
Had electrical trouble with your 2013 Toyota Prius C?
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 2013 Toyota Prius C?
It's a meaningful issue. 18 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 9 complaints that reported odometer mileage, most electrical failures cluster between 44,700 and 80,000 miles, with the median around 70,000. A quarter of owners report trouble before 44,700; a quarter make it past 80,000. 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/2013/Toyota/Prius C.
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.