AutoCodes – Generic – C1618

C1618 Code - AWC CAN Local Data System

Quick Answer

The All Wheel Control (AWC) ECU receives various data from ECU via CAN communication. Common causes include Faulty All Wheel Control (AWC) ECU, Faulty Electronically Controlled System (ETACS) ECU, Faulty Active Stability Control (ASC) Control Unit. 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
C1618 indicates AWC CAN Local Data System.
Common causes
Common causes include Faulty All Wheel Control (AWC) ECU, Faulty Electronically Controlled System (ETACS) ECU, Faulty Active Stability Control (ASC) Control Unit.
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 2,189
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 15, 2020
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Code C1618 Description

The All Wheel Control (AWC) ECU receives various data from ECU via CAN communication. The code is set when the signal necessary for AWC control cannot be received.
OBDII Code C1618 - AWC CAN Local Data System - AutoCodes.com
C1618 Code - AWC CAN Local Data System

What are the Possible Causes of the DTC C1618?

  • Faulty All Wheel Control (AWC) ECU
  • Faulty Electronically Controlled System (ETACS) ECU
  • Faulty Active Stability Control (ASC) Control Unit

How to Fix the DTC C1618?

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 C1618 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 C1618 code?

Need more information on how to fix the C1618 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1618 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 C1618 Code

1. What are common symptoms of OBDII code C1618 (AWC CAN Local Data System)?

- Common symptoms include loss of communication with the All-Wheel Control (AWC) system, traction control issues, and ABS warning lights on the dashboard.

2. What are possible causes of OBDII code C1618?

- Possible causes include damaged wiring or connectors in the AWC CAN system, faulty AWC control unit, or software malfunctions.

3. How can I diagnose OBDII code C1618?

- Diagnosis involves using a diagnostic scanner to read the code, checking for any related codes, inspecting the AWC system wiring and connectors, and testing the AWC control unit.

4. What are some repair tips for fixing OBDII code C1618?

- Repair tips include repairing or replacing damaged wiring and connectors, reprogramming the AWC control unit if necessary, and ensuring proper grounding of the system.

5. Can OBDII code C1618 be cleared/reset with a simple reset tool?

- Yes, OBDII code C1618 can typically be cleared/reset using an OBDII scanner or diagnostic tool capable of clearing trouble codes.

6. Is it safe to continue driving with OBDII code C1618 present?

- It is not recommended to continue driving with OBDII code C1618 present, as it can affect the proper functioning of the AWC system, traction control, and ABS, potentially compromising vehicle safety.

7. How much does it cost to repair OBDII code C1618?

- The cost of repairing OBDII code C1618 can vary depending on the specific cause of the issue, but it may involve labor costs for diagnosis and repair, as well as the cost of any replacement parts needed.

8. Can a DIY enthusiast repair OBDII code C1618 at home?

- DIY enthusiasts with knowledge of automotive electrical systems may be able to diagnose and repair OBDII code C1618 at home, but it is recommended to consult a professional if unsure.

9. How long does it typically take to repair OBDII code C1618?

- The repair time for OBDII code C1618 can vary depending on the cause of the issue and the complexity of the repair, but it may take a few hours to a full day to diagnose and fix the problem.

10. Are there any recalls or technical service bulletins related to OBDII code C1618?

- It's recommended to check with the vehicle manufacturer or authorized dealerships for any recalls or technical service bulletins related to OBDII code C1618 in specific vehicle models.

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