Quick Answer

C0162 means: C0162 indicates a problem with the traction control system, often related to wheel speed sensors.

Fix: Check and replace faulty components Cost: $100 - $300 Time: 90-180 minutes

Can I drive with C0162? Immediate attention is recommended to ensure safety while driving.

Common Questions

What does C0162 mean and how does it affect my car?

C0162 indicates a malfunction in the traction control system, primarily related to the wheel speed sensors. This can lead to impaired traction, especially in slippery conditions, making driving potentially dangerous. If you ignore this code, your vehicle may struggle to maintain grip, risking accidents and increased tire wear.

What are the most common causes of C0162 and how much does it cost to fix?

The most common cause of C0162 is a faulty wheel speed sensor, which typically costs between $100 and $300 to replace. Other causes include wiring issues, which can cost $50 to $200 to repair, and a faulty traction control module, which can range from $300 to $700 for replacement.

Can I drive my car with C0162 or should I stop immediately?

While you may still be able to drive your vehicle with a C0162 code, it is not recommended. The traction control system may be disabled, increasing the risk of losing control, especially in adverse weather conditions. It's best to have the code checked and addressed as soon as possible.

How can I diagnose C0162 myself using GeekOBD APP?

Using the GeekOBD APP, you can connect to your vehicle's OBD2 port to read the trouble codes. Start by scanning for codes and checking freeze frame data to understand when the issue occurred. You can also monitor the wheel speed sensor readings in real-time to identify any discrepancies.

What vehicles are most commonly affected by C0162?

C0162 is commonly found in vehicles like the 2015-2018 Chevrolet Silverado, GMC Sierra, and other GM trucks with similar traction control systems. If you're driving one of these models, it's essential to stay vigilant about traction control-related issues.

How can I prevent C0162 from happening again?

To prevent C0162 from recurring, regularly inspect and maintain your vehicle's braking and traction control systems. Ensure that any warning lights are addressed promptly, and consider periodic diagnostic scans using the GeekOBD APP to catch any issues early.

What is C0162?

DTC C0162 is a diagnostic trouble code that specifically indicates an issue with the vehicle's traction control system, often related to the wheel speed sensors. When this code is triggered, it generally means that the traction control module has detected a discrepancy in the signals from the wheel speed sensors. This can result in the traction control system being disabled, which means the vehicle may struggle to maintain grip on slippery surfaces. For drivers, this can manifest as a loss of control during acceleration, particularly on wet or icy roads. It's important to note that ignoring this code could lead to further complications, like increased tire wear or even accidents due to loss of traction. Vehicle makes like the Chevrolet Silverado, especially between the years 2015 and 2018, are more prone to this issue due to the integrated systems that rely heavily on accurate sensor readings. If you're experiencing this code, it's vital to address it promptly to ensure safety on the road and maintain optimal vehicle performance.

System: C - Chassis (ABS, Steering, Suspension)

Symptoms

Common symptoms when C0162 is present:

  • The traction control light illuminates on the dashboard, indicating a problem with the traction control system.
  • Loss of traction during acceleration, especially on wet or icy roads, making it difficult to maintain control.
  • Increased tire wear due to potential improper traction control engagement, leading to uneven tread patterns.
  • Unusual noises from the anti-lock braking system (ABS) when the vehicle is in motion, signaling sensor issues.
  • The vehicle may exhibit erratic behavior, such as sudden acceleration or braking without driver input.

Possible Causes

Most common causes of C0162 (ordered by frequency):

  1. Faulty wheel speed sensor - This is the most common cause, accounting for approximately 60% of cases. These sensors can wear out or get damaged over time, leading to inaccurate readings.
  2. Wiring issues - Damaged or corroded wiring can interrupt signals from the sensors to the traction control module, causing the code to trigger.
  3. Faulty traction control module - Though less common, a malfunctioning traction control module can misinterpret sensor data, leading to the C0162 code.
  4. Software glitches - Occasionally, vehicle software may require an update to address bugs that could trigger this code.
  5. Brake system issues - Problems within the brake system, such as low fluid levels or air in the brake lines, can also impact traction control performance.

C0162 Repair Costs

Cost Breakdown by Repair Type

Wheel Speed Sensor Replacement

Replacing a faulty wheel speed sensor, which is often the primary cause of the C0162 code.

  • Total: $100 - $300
  • Success rate: 90%
Wiring Repair

Repairing or replacing damaged wiring that connects to the wheel speed sensors.

  • Total: $50 - $200
  • Success rate: 85%
Traction Control Module Replacement

Replacing the traction control module if it's determined to be faulty.

  • Total: $300 - $700
  • Success rate: 80%
Money-Saving Tips for C0162
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional C0162 Diagnosis Process

Follow these systematic steps to accurately diagnose C0162. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Perform an initial visual inspection of the wheel speed sensors and wiring for obvious signs of damage (5-10 minutes)

Step 1: Perform an initial visual inspection of the wheel speed sensors and wiring for obvious signs of damage (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: Use a reliable OBD2 scanner, such as the GeekOBD APP, to retrieve all trouble codes and freeze frame data for better context (10-15 minutes)

Step 2: Use a reliable OBD2 scanner, such as the GeekOBD APP, to retrieve all trouble codes and freeze frame data for better context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Test each wheel speed sensor with a multimeter to ensure they are functioning within specifications (20-30 minutes)

Step 3: Test each wheel speed sensor with a multimeter to ensure they are functioning within specifications (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: After repairs, conduct a system function test to verify that the traction control system operates correctly and clear the codes (10-15 minutes)

Step 4: After repairs, conduct a system function test to verify that the traction control system operates correctly and clear the codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Perform a road test to confirm that the traction control system is functioning properly under various driving conditions (15-20 minutes)

Step 5: Perform a road test to confirm that the traction control system is functioning properly under various driving conditions (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Chevrolet Silverado C0162 Repair Case

Vehicle: 2017 Chevrolet Silverado 1500, 75,000 miles

Problem: Customer reported traction control light was on and loss of traction during wet conditions.

Diagnosis: Diagnostic scan revealed C0162 code. Inspected and tested wheel speed sensors, confirming one sensor was faulty.

Solution: Replaced the faulty wheel speed sensor, cleared the code, and conducted a road test to ensure proper function.

Cost: $150 for parts and labor

Result: Post-repair, the traction control system was functioning correctly, and the customer reported improved vehicle handling.

Case Study 2: GMC Sierra C0162 Resolution

Vehicle: 2016 GMC Sierra 2500HD, 85,000 miles

Problem: Customer experienced intermittent traction control light and unusual braking behavior.

Diagnosis: Found C0162 code after scanning. Investigated wiring connections and discovered corroded connectors affecting the sensor signals.

Solution: Repaired the corroded wiring and connectors, cleared the code, and verified the system's operation.

Cost: $120 for repairs and diagnostics

Result: The traction control system operated normally afterward, and the customer was satisfied with the fix.