P17F0 on Hyundai
Transmission Mechanical Failure
P17F0 on Hyundai vehicles indicates transmission mechanical failure. Au7o has documented this code across 2 Hyundai models — most commonly on Accent, Elantra. This manufacturer-specific code (notably on Nissan/Infiniti CVT transmissions, where it is associated with 'judder') indicates the transmission control system detected a mechanical failure or abnormal internal behavior inside the transmission. On CVTs it typically reflects belt/pulley slippage or wear producing a shudder or vibration; the control module flags it as an internal mechanical fault. When the system detects this condition, P17F0 sets, often with noticeable shaking under acceleration or a hesitation that feels like a slipping transmission. It generally signals significant internal wear that needs professional diagnosis. Typical repair costs on Hyundai range from $150 to $5,500, depending on the specific model and root cause.
Common Causes of P17F0
- •Worn or slipping CVT belt and pulleys
- •Degraded or contaminated transmission fluid
- •Low transmission fluid level
- •Internal pressure control problem (valve body/solenoid)
- •Failing transmission fluid pump
- •Control software needing a reflash/recalibration
- •Excessive internal wear from age or overheating
- •Faulty transmission control module (rare)
P17F0 on Hyundai by Model
Hyundai Accent(1 issue)
- IVT/CVT Transmission Failure and Shudder2017-2022
The IVT (CVT) transmission in 2017+ Accent models can fail prematurely, with symptoms ranging from shuddering and slipping to complete loss of drive. The chain and pulley system wears, especially with aggressive driving or neglected fluid changes. Rebuilds are typically not cost-effective given the vehicle's value.
Hyundai Elantra(1 issue)
- IVT/CVT Transmission Failure and Power Loss2019-2023
The Smart Stream IVT (Intelligent Variable Transmission) in newer Elantras has experienced early failures, sometimes before reaching 20,000 miles. Issues include sudden power loss, check engine lights, and RPM fluctuations. Hyundai issued TSB 20-01-047H addressing transmission control module calibration issues.
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View P17F0 across all makes →Frequently Asked Questions
What does P17F0 mean on Hyundai?▼
P17F0 stands for "Transmission Mechanical Failure." This manufacturer-specific code (notably on Nissan/Infiniti CVT transmissions, where it is associated with 'judder') indicates the transmission control system detected a mechanical failure or abnormal internal behavior inside the transmission. On CVTs it typically reflects belt/pulley slippage or wear producing a shudder or vibration; the control module flags it as an internal mechanical fault. When the system detects this condition, P17F0 sets, often with noticeable shaking under acceleration or a hesitation that feels like a slipping transmission. It generally signals significant internal wear that needs professional diagnosis. On Hyundai specifically, this code is documented across 2 models.
What causes P17F0 on Hyundai vehicles?▼
Common causes on Hyundai: Worn or slipping CVT belt and pulleys, Degraded or contaminated transmission fluid, Low transmission fluid level, Internal pressure control problem (valve body/solenoid), Failing transmission fluid pump. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P17F0 on a Hyundai?▼
Repair costs on Hyundai range from $150 to $5,500, depending on the specific model and root cause.
Which Hyundai models have P17F0 documented?▼
Au7o has documented P17F0 on 2 Hyundai models: Accent, Elantra.