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 on the right back wheel is giving weird or wrong signals.
The vehicle's ABS system has detected an issue with the signal from the right rear wheel speed sensor, which is not matching expected parameters.
C1217 indicates that the signal from the right rear wheel speed sensor is not plausible based on the expected signal range or pattern. This could be due to a faulty sensor, wiring issues, or a problem with the sensor's mounting.
• ABS warning light on
• Traction control light on
• Inconsistent braking performance
• Faulty right rear wheel speed sensor
• Damaged wiring or connectors
• Incorrect sensor installation
ABS: Anti-lock Braking System
OBD-II: On-Board Diagnostics, Second Generation
• Check for any visible damage to the wheel speed sensor and wiring.
• Use a multimeter to test the sensor's resistance and signal output.
• Inspect the sensor's mounting and alignment.
• Replace the faulty wheel speed sensor.
• Repair or replace damaged wiring or connectors.
• Ensure the sensor is properly mounted and aligned.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Toyota Camry
• Honda Accord
• Ford F-150
• Regularly inspect wheel speed sensor wiring.
• Avoid driving through deep water which can damage sensors.
• Ensure proper installation during repairs.
Sensor Issue
• Do not ignore the ABS warning light.
• Get the vehicle checked by a professional if unsure.
• Regular maintenance can prevent sensor issues.
Check with the vehicle manufacturer for specific warranty coverage on ABS components.
This code has been commonly associated with issues in vehicles with ABS systems, particularly in models with high mileage.
Moderate – While the vehicle can be driven, ABS functionality may be compromised, affecting braking performance.
Driving with a malfunctioning ABS system can affect vehicle safety. Address the issue promptly to ensure safe operation.
• Vehicle must be on a flat surface.
• Ensure the ignition is off before testing electrical components.
The right rear wheel speed sensor is typically located near the brake rotor on the right rear wheel.
Q: Can I drive with the C1217 code?
A: While you can drive with this code, it's not recommended as it may affect your braking system's performance.
Q: How do I reset the ABS light after fixing the issue?
A: Use an OBD-II scanner to clear the code after the repair, or drive the vehicle for a short distance to see if the system resets automatically.
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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