AutoCodesLexus – C1217 Lexus

C1217 Lexus Code - SMC1 Circuit

Quick Answer

The Anti-Lock Brake System (ABS) solenoid turns on when signals are received from the ABS Electronic Control Unit (ECU) and controls pressure acting on calipers/wheel cylinders, thus controlling braking force. Common causes include Faulty Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) (ABS Actuator), ABS ECU harness is open or shorted, ABS ECU circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C1217 Lexus indicates SMC1 Circuit.
Common causes
Common causes include Faulty Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) (ABS Actuator), ABS ECU harness is open or shorted, ABS ECU circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 1,311
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 24, 2020
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Code C1217 Lexus Description

The Anti-Lock Brake System (ABS) solenoid turns on when signals are received from the ABS Electronic Control Unit (ECU) and controls pressure acting on calipers/wheel cylinders, thus controlling braking force. The ABS ECU sets the OBDII code when the Solenoid is not to factory specifications. The solenoid and solenoid relay is built into the ABS ECU.
OBDII Code C1217 Lexus - SMC1 Circuit - AutoCodes.com
C1217 Lexus Code - SMC1 Circuit

What are the Possible Causes of the DTC C1217 Lexus?

  • Faulty Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) (ABS Actuator)
  • ABS ECU harness is open or shorted
  • ABS ECU circuit poor electrical connection

How to Fix the DTC C1217 Lexus?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1217 Lexus code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1217 Lexus code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1217 Lexus Code

1. What does the OBDII code C1217 in a Lexus mean?

C1217 refers to an issue in the SMC1 Circuit, which is related to the Skid Control Module and its communication or operation.

2. What are common symptoms of the C1217 code in a Lexus?

Symptoms may include the ABS warning light being illuminated, traction control being disabled, or a lack of proper braking assistance.

3. What causes the C1217 code in a Lexus?

Common causes include a faulty Skid Control ECU, damaged wiring or connectors in the SMC1 circuit, or issues with the wheel speed sensors.

4. Can I continue driving my Lexus with a C1217 code?

While the vehicle may still operate, safety systems like ABS and traction control may not function properly, so it’s recommended to address the issue promptly.

5. How do I diagnose the C1217 code in a Lexus?

Start by using a scan tool to confirm the code, then inspect the SMC1 circuit wiring and connectors, and test the Skid Control ECU for faults.

6. How do I fix the C1217 code in a Lexus?

Repairs may involve replacing or repairing damaged wiring, cleaning or reconnecting connectors, or replacing the Skid Control ECU if it’s faulty.

7. Is the C1217 code specific to Lexus vehicles?

Yes, the code is specific to Lexus and Toyota vehicles and relates to their unique Skid Control systems.

8. How much does it cost to repair the C1217 code in a Lexus?

Repair costs can vary, but diagnosing and fixing wiring or connectors may cost $100-$300, while replacing the Skid Control ECU could cost $500 or more.

9. Can low battery voltage cause the C1217 code in a Lexus?

Yes, low battery voltage or a failing alternator can sometimes trigger this code by disrupting the Skid Control Module's operation.

10. Should I clear the C1217 code after repairs?

Yes, after repairs, use an OBDII scanner to clear the code and test drive the vehicle to ensure the issue is resolved and the code doesn’t reappear.

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