C1011 on Volkswagen
Left Front Wheel Speed Sensor Signal Erratic Performance
C1011 on Volkswagen vehicles indicates left front wheel speed sensor signal erratic performance. Au7o has documented this code across 1 Volkswagen model — most commonly on Scirocco. C1011 is a chassis/manufacturer-specific ("C") trouble code most commonly defined (on Chrysler, Dodge, and Jeep) as erratic or out-of-range signal from the left front wheel speed sensor used by the ABS/traction-control system. It sets when the ABS module detects implausible acceleration/deceleration patterns or a faulty signal from that sensor, which can disable ABS, traction control, and stability control. Note that on some other makes (e.g., Mercedes-Benz) the same code number refers instead to an ASR/ETS/ESP hydraulic-unit power-supply circuit fault, so confirm against the specific vehicle. Typical repair costs on Volkswagen range from $80 to $500, depending on the specific model and root cause.
Common Causes of C1011
- •Faulty or failing left front wheel speed sensor
- •Damaged, corroded, or loose sensor wiring/connector (open or short in signal or supply line)
- •Excessive air gap between the sensor and the tone/reluctor ring
- •Damaged, contaminated, or missing teeth on the tone (reluctor) ring
- •Worn or loose front wheel bearing/hub causing erratic readings
- •Defective ABS/traction-control control module
C1011 on Volkswagen by Model
Volkswagen Scirocco(1 issue)
- Sporadic ABS / ESP / traction-control warning lights (lateral-acceleration sensor wiring)2008-2017
Many owners report intermittent illumination of the ABS, ESP/traction-control and handbrake warning lights, often with an audible beep, that may clear on an ignition cycle. The frequent root cause is a chafed/partially-damaged wiring harness near the lateral-acceleration (yaw/G) sensor, or a faulty wheel-speed sensor; less commonly the ABS control unit itself. Because it is intermittent and electrical, swapping individual sensors often does not fix it without proper fault-code reading.
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View C1011 across all makes →Frequently Asked Questions
What does C1011 mean on Volkswagen?▼
C1011 stands for "Left Front Wheel Speed Sensor Signal Erratic Performance." C1011 is a chassis/manufacturer-specific ("C") trouble code most commonly defined (on Chrysler, Dodge, and Jeep) as erratic or out-of-range signal from the left front wheel speed sensor used by the ABS/traction-control system. It sets when the ABS module detects implausible acceleration/deceleration patterns or a faulty signal from that sensor, which can disable ABS, traction control, and stability control. Note that on some other makes (e.g., Mercedes-Benz) the same code number refers instead to an ASR/ETS/ESP hydraulic-unit power-supply circuit fault, so confirm against the specific vehicle. On Volkswagen specifically, this code is documented across 1 model.
What causes C1011 on Volkswagen vehicles?▼
Common causes on Volkswagen: Faulty or failing left front wheel speed sensor, Damaged, corroded, or loose sensor wiring/connector (open or short in signal or supply line), Excessive air gap between the sensor and the tone/reluctor ring, Damaged, contaminated, or missing teeth on the tone (reluctor) ring, Worn or loose front wheel bearing/hub causing erratic readings. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix C1011 on a Volkswagen?▼
Repair costs on Volkswagen range from $80 to $500, depending on the specific model and root cause.
Which Volkswagen models have C1011 documented?▼
Au7o has documented C1011 on 1 Volkswagen model: Scirocco.