OBD Codes

C0065

Left Rear ABS Solenoid #2 Malfunction

Severeelectrical

About C0065

The C0065 code indicates that the chassis control module has detected a left rear abs solenoid #2 malfunction condition. This diagnostic trouble code relates to the electrical control circuits within the vehicle's chassis safety systems, including ABS, traction control, and stability control. When this code is stored, one or more chassis safety features may be disabled, which can reduce braking performance and vehicle stability under adverse driving conditions. This guide covers everything you need to know about this topic, including common causes, step-by-step solutions, and answers to frequently asked questions.

Here are the key things to understand: Brake warning light illuminated. Stability control (ESC/VSC) warning light on. Vehicle leans excessively during cornering. Loss of anti-lock braking function. Understanding these fundamentals will help you diagnose and resolve this issue more effectively.

The most common reasons this occurs include: Short circuit in solenoid valve wiring. Poor ground connection at the ABS module. Water intrusion into electrical connectors. Loose or corroded connector pins. Identifying the root cause is the first step toward finding the right solution.

To resolve this, follow these recommended steps: Connect an OBD-II scanner and read all stored chassis trouble codes and freeze frame data. Inspect the ABS/ESC module connectors for corrosion, damage, or loose pins. Check the ABS fuse and relay in the fuse box; replace if blown or faulty. Test the ABS pump motor operation using a scan tool bi-directional command. Measure circuit voltage and ground at the ABS module with a multimeter. If these steps do not resolve the issue, consider consulting additional resources or a qualified professional.

This article is part of our Chassis (C) collection on OBD Codes. We provide comprehensive, up-to-date information to help you find solutions quickly.

Quick Answer

Is it safe to drive with the ABS warning light on?

Your standard brakes will still work, but the anti-lock braking function is disabled. This means wheels can lock up during hard braking, especially on wet or icy roads. Avoid aggressive driving and have the system inspected promptly.

Overview

The C0065 code indicates that the chassis control module has detected a left rear abs solenoid #2 malfunction condition. This diagnostic trouble code relates to the electrical control circuits within the vehicle's chassis safety systems, including ABS, traction control, and stability control. When this code is stored, one or more chassis safety features may be disabled, which can reduce braking performance and vehicle stability under adverse driving conditions.

Symptoms

  • Brake warning light illuminated
  • Stability control (ESC/VSC) warning light on
  • Vehicle leans excessively during cornering
  • Loss of anti-lock braking function

Common Causes

  • Short circuit in solenoid valve wiring
  • Poor ground connection at the ABS module
  • Water intrusion into electrical connectors
  • Loose or corroded connector pins

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored chassis trouble codes and freeze frame data
  2. 2Inspect the ABS/ESC module connectors for corrosion, damage, or loose pins
  3. 3Check the ABS fuse and relay in the fuse box; replace if blown or faulty
  4. 4Test the ABS pump motor operation using a scan tool bi-directional command
  5. 5Measure circuit voltage and ground at the ABS module with a multimeter

Estimated Repair Cost

$150$1,200

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Toyota CamryHonda AccordToyota TundraMercedes-Benz C-Class

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Frequently Asked Questions

Your standard brakes will still work, but the anti-lock braking function is disabled. This means wheels can lock up during hard braking, especially on wet or icy roads. Avoid aggressive driving and have the system inspected promptly.