Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer thinks the sensor that measures how fast the car speeds up or slows down is giving a weird reading.
This code indicates that the vehicle's multi-axis acceleration sensor is providing data that doesn't make sense for the car's current motion.
The C11A6 code is triggered when the data from the multi-axis acceleration sensor module 'A' for longitudinal acceleration is inconsistent with expected values. This could be due to a sensor malfunction, wiring issues, or calibration errors.
• ABS or traction control light on
• Unusual vehicle handling
• Inconsistent speed or acceleration readings
• Faulty acceleration sensor
• Wiring issues in the sensor circuit
• Sensor calibration error
Acceleration Sensor: A device that measures the rate of change of velocity of a vehicle.
Longitudinal Acceleration: Acceleration or deceleration along the length of the vehicle.
• Inspect the acceleration sensor and wiring for damage.
• Check the sensor's electrical connections.
• Perform a diagnostic scan to verify sensor output.
• Replace the faulty acceleration sensor.
• Repair or replace damaged wiring.
• Recalibrate the sensor using appropriate diagnostic tools.
• OBD-II scanner
• Multimeter
• Vehicle-specific diagnostic software
$150 - $400
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular sensor checks during maintenance
• Ensure proper wiring connections
• Avoid harsh driving conditions that could damage sensors
Sensor Issue
• Drive cautiously until the issue is resolved.
• Have a professional inspect the vehicle if you're unsure.
Check with your vehicle's manufacturer for warranty coverage on sensor-related issues.
This code has been associated with sensor failures in vehicles with advanced stability control systems.
Moderate – While the vehicle may still be drivable, it is important to address the issue to maintain safety systems.
Ignoring this issue may lead to compromised vehicle safety systems, which could result in accidents.
• Vehicle must be on a flat, level surface.
• Ensure no external vibrations or movements affect the sensor.
The acceleration sensor is typically located near the vehicle's center of gravity, often under the center console or beneath the seats.
Q: Can I drive with a C11A6 code?
A: It's possible, but not recommended as it may affect your vehicle's safety systems.
Q: How can I reset the C11A6 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
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Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
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