C08B8 - DTC C08B8 - Understanding the Power Steering Control Module Code in Chrysler and Dodge Vehicles

Quick Answer

C08B8 means: DTC C08B8 indicates a communication issue with the power steering control module.

Fix: Check and replace faulty components Cost: $300 - $800 Time: 90-180 minutes

Can I drive with C08B8? It is advisable to address this issue immediately to maintain safe steering control.

Common Questions

What does C08B8 mean and how does it affect my car?

The C08B8 code means there's an issue with your car's power steering control module. This can lead to stiff steering and make driving difficult. If you ignore this, it could worsen and lead to total steering failure, posing a serious safety risk.

What are the most common causes of C08B8 and how much does it cost to fix?

Common causes include a faulty power steering control module, damaged wiring, and battery or alternator issues. Repair costs typically range from $100 for wiring repairs up to $800 for module replacement.

Can I drive my car with C08B8 or should I stop immediately?

While you may be able to drive a short distance, it’s not recommended. The steering may become increasingly difficult, making it unsafe. It's best to have it checked as soon as possible.

How can I diagnose C08B8 myself using GeekOBD APP?

Using the GeekOBD APP, perform a diagnostic scan to retrieve the code and any additional fault codes. Check the freeze frame data for context. You can also use the app to clear codes after making repairs.

What vehicles are most commonly affected by C08B8?

Vehicles such as the 2015-2020 Dodge Charger, Chrysler 300, and Jeep Grand Cherokee are commonly reported for this code.

How can I prevent C08B8 from happening again?

Regular maintenance of your vehicle's electrical systems, including checking connections and battery health, can help prevent issues. Additionally, consider software updates from your dealer to keep modules functioning correctly.

What is C08B8?

The DTC C08B8 code refers to a malfunction in the Power Steering Control Module, specifically indicating a communication issue between the power steering control module and the vehicle's engine control unit (ECU). This code is particularly prevalent in various Chrysler models, such as the Dodge Charger and Chrysler 300, manufactured between 2015 and 2020. When this code appears, it often means that the power steering system is not functioning optimally, which can lead to increased steering effort and potential safety hazards. The underlying problem may stem from faulty wiring, a defective power steering control module, or even issues with the vehicle's battery or alternator affecting overall electronic communication. As a result, drivers may experience symptoms such as a stiff steering wheel, warning lights on the dashboard, or unusual noises when turning. Ignoring this code could lead to further complications, including complete power steering failure, which can significantly impact control and maneuverability. It is crucial for vehicle owners to address this code promptly to ensure safe driving conditions.

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

Symptoms

Common symptoms when C08B8 is present:

The steering wheel feels unusually heavy, making it difficult to turn, especially at low speeds.
Dashboard warning lights, including the power steering warning light, may illuminate, signaling a fault.
You may hear whining or grinding noises when turning the steering wheel, indicating potential power steering issues.
Increased fuel consumption may occur due to the engine working harder to assist with steering efforts.
Random electrical glitches in other systems may arise, indicating broader electrical issues.

Possible Causes

Most common causes of C08B8 (ordered by frequency):

{'cause': 'Faulty Power Steering Control Module', 'likelihood': '40%', 'details': 'The control module may fail due to manufacturing defects or exposure to moisture, leading to a communication error.'}
{'cause': 'Damaged Wiring or Connectors', 'details': 'Wires can become frayed or corroded, interrupting signals between the control module and ECU, often due to wear and tear over time.'}
{'cause': 'Battery or Alternator Issues', 'preventionTips': 'Regularly check battery voltage and alternator output to ensure they are functioning correctly, as electrical issues can exacerbate communication faults.'}
{'cause': 'Software Glitch', 'details': "Occasionally, the vehicle's software may require an update or reset to correct communication errors."}
{'cause': 'Faulty Steering Rack', 'details': 'Less commonly, a failing steering rack can lead to increased effort and may trigger a C08B8 code.'}

C08B8 Repair Costs

Cost Breakdown by Repair Type

Power Steering Control Module Replacement

Replacing the control module if it is determined to be faulty.

Total: $300 - $800
Success rate: 85%

Wiring Repair

Repairing or replacing damaged wiring to restore communication.

Total: $100 - $300
Success rate: 90%

Battery and Alternator Check

Testing and replacing the battery or alternator if they are causing low voltage issues.

Total: $200 - $500
Success rate: 75%

Money-Saving Tips for C08B8

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 C08B8 Diagnosis Process

Follow these systematic steps to accurately diagnose C08B8. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).