If your 2008 Honda Accord’s check engine light comes on and you notice power steering problems, the issue may stem from the power steering pump or related electrical components. This guide walks you through diagnosing the root cause, understanding error codes, and applying practical fixes—whether you’re a DIYer or planning a trip to the mechanic.
If you’re driving a 2008 Honda Accord and suddenly notice the check engine light glowing on your dashboard—especially while also experiencing stiff or unresponsive steering—you’re not alone. This combination of symptoms is a known headache for many Accord owners from this model year. While it might seem alarming, the issue often stems from the vehicle’s electric power steering (EPS) system, not a traditional hydraulic pump. Understanding how this system works—and why it triggers the check engine light—can save you time, money, and a lot of stress.
The 2008 Honda Accord was one of the first models to fully transition to electric power steering, ditching the older belt-driven hydraulic pumps. This change improved fuel efficiency and reduced engine load, but it also introduced new electronic components that can fail over time. When something goes wrong—like a faulty sensor or a glitch in the control module—the car’s onboard computer detects the anomaly and lights up the check engine light as a warning. The good news? Many of these issues are diagnosable and fixable, especially if you know what to look for.
Key Takeaways
- Check engine light + power steering issues often point to electrical faults: In the 2008 Accord, the power steering system is electronically controlled, so sensor or wiring problems can trigger the light.
- Common culprits include the EPS control module and torque sensor: These components manage steering assist and frequently fail due to age or moisture exposure.
- Low power steering fluid is rarely the cause: Unlike older hydraulic systems, the 2008 Accord uses an electric power steering (EPS) system with no fluid reservoir.
- Diagnostic trouble codes (DTCs) are essential for accurate diagnosis: Codes like C1528 or C1677 directly relate to EPS system malfunctions.
- DIY fixes are possible for some issues: Resetting the system or replacing fuses may resolve minor glitches without costly repairs.
- Professional diagnosis is recommended for persistent problems: If the light returns after clearing, internal module failure may require expert attention.
📑 Table of Contents
Understanding the 2008 Honda Accord’s Electric Power Steering System
Unlike older cars that use hydraulic fluid and a belt-driven pump, the 2008 Honda Accord relies on an electric motor and control unit to assist steering. This system, known as Electric Power Steering (EPS), uses sensors to detect steering wheel position, vehicle speed, and driver input. Based on this data, the EPS control module adjusts the level of assistance provided by the electric motor mounted on the steering column.
How the EPS System Works
When you turn the wheel, a torque sensor measures how much force you’re applying. This signal is sent to the EPS control module, which then activates the electric motor to provide the right amount of assist. At low speeds—like parking or turning in tight spaces—the motor offers strong assistance. At highway speeds, it reduces assist for better road feel and stability. All of this happens seamlessly under normal conditions, but if any part of the system fails, the car’s computer logs a fault and triggers the check engine light.
Why There’s No Power Steering Pump (or Fluid)
A common misconception is that the 2008 Accord has a power steering pump that can run low on fluid. In reality, it uses no hydraulic fluid at all. This means you won’t find a power steering reservoir under the hood. If you’re checking for leaks or low fluid, you’re looking in the wrong place. The absence of fluid also means traditional pump failures—like whining noises or fluid leaks—are not applicable here. Instead, focus on electrical components.
Common Causes of the Check Engine Light with Power Steering Issues
When the check engine light comes on alongside steering problems, it’s usually due to an electrical fault within the EPS system. Here are the most frequent causes:
Faulty Torque Sensor
The torque sensor is a critical component that detects how hard you’re turning the wheel. Over time, these sensors can wear out or become contaminated with dirt and moisture. A failing torque sensor sends incorrect signals to the control module, causing erratic steering assist or complete loss of power steering. This often triggers diagnostic trouble codes like C1528 (Torque Sensor Circuit Malfunction).
EPS Control Module Failure
The EPS control module is the brain of the system. Located under the dashboard on the driver’s side, it processes input from sensors and controls the electric motor. These modules can fail due to heat, vibration, or water intrusion—especially if the car has been exposed to flooding or excessive humidity. A failed module usually results in a complete loss of power steering and a persistent check engine light.
Wiring Harness or Connector Issues
Loose, corroded, or damaged wiring between the steering column and the control module can interrupt communication. This is especially common in older vehicles where connectors degrade over time. Even a slightly loose plug can cause intermittent faults that trigger the check engine light.
Blown Fuses or Relays
The EPS system is protected by fuses and relays in the under-hood fuse box. A blown fuse (typically a 40A or 50A fuse labeled “EPS” or “METER”) can disable the entire system. Checking and replacing fuses is a quick and inexpensive first step in troubleshooting.
Battery or Charging System Problems
Since the EPS system relies on consistent electrical power, a weak battery or faulty alternator can cause voltage drops that affect performance. If your car has trouble starting or the lights dim when turning the wheel, have your charging system tested.
Diagnosing the Problem: Step-by-Step
Before replacing any parts, it’s crucial to diagnose the issue accurately. Here’s how to approach it:
Step 1: Read the Diagnostic Trouble Codes (DTCs)
Use an OBD2 scanner to retrieve the stored codes. Common EPS-related codes for the 2008 Accord include:
– C1528: Torque Sensor Circuit Malfunction
– C1677: EPS Motor Circuit Malfunction
– C1687: EPS Control Module Internal Fault
– U0131: Lost Communication with EPS Module
These codes will guide your repair. For example, a C1528 points directly to the torque sensor, while a U0131 suggests a communication issue, possibly due to wiring.
Step 2: Inspect Fuses and Relays
Locate the under-hood fuse box and check the EPS-related fuses. Refer to your owner’s manual for the exact location. Replace any blown fuses and test the system. If the fuse blows again immediately, there’s likely a short circuit in the wiring.
Step 3: Check Wiring and Connectors
Inspect the wiring harness near the steering column and the EPS control module. Look for frayed wires, corrosion, or loose connectors. Gently wiggle connectors while the car is running to see if the steering assist flickers—this can reveal intermittent faults.
Step 4: Test the Battery and Alternator
Use a multimeter to check battery voltage (should be 12.6V when off, 13.7–14.7V when running). If voltage is low, test the alternator output. Weak electrical systems can mimic EPS failures.
Step 5: Consider a System Reset
Sometimes, the EPS system just needs a reset. Try disconnecting the negative battery cable for 10–15 minutes, then reconnect it. This can clear temporary glitches and reset the control module.
DIY Fixes You Can Try at Home
If you’re comfortable with basic car maintenance, here are some fixes you can attempt:
Replace a Blown Fuse
This is the easiest fix. Buy a replacement fuse of the same amperage and install it. If the new fuse blows right away, stop—there’s a deeper issue.
Clean and Reconnect EPS Connectors
Use electrical contact cleaner and a small brush to clean the connectors on the torque sensor and control module. Reconnect them firmly and test the steering.
Reset the EPS System
After reconnecting the battery, turn the ignition to “ON” (don’t start the engine) and wait 10 seconds. Then turn the wheel fully left and right three times. This can recalibrate the torque sensor.
Replace the Torque Sensor (Advanced)
If you’re experienced, you can replace the torque sensor yourself. It’s located on the steering column and requires removing the steering wheel and airbag (caution: airbag safety first). Use a service manual for guidance.
When to See a Mechanic
While some issues are DIY-friendly, others require professional tools and expertise. Seek a qualified technician if:
– The check engine light returns after clearing
– You suspect EPS control module failure
– Wiring damage is extensive
– You’re uncomfortable handling airbags or electrical systems
A professional can perform advanced diagnostics, including module reprogramming or replacement, which often requires Honda-specific software.
Preventing Future Issues
To avoid recurring problems:
– Keep the under-hood area clean and dry to prevent moisture buildup
– Avoid driving through deep water
– Have the EPS system inspected during routine maintenance
– Address warning lights promptly—don’t ignore them
Conclusion
The 2008 Honda Accord’s electric power steering system is efficient and reliable—but not immune to electrical faults. When the check engine light appears with steering issues, the problem is rarely a traditional pump failure. Instead, focus on sensors, wiring, and the control module. With the right diagnosis and a few DIY steps, many owners can resolve the issue without a costly repair bill. Stay proactive, use an OBD2 scanner, and don’t hesitate to seek help when needed. Your Accord will thank you with smooth, responsive steering for years to come.
Frequently Asked Questions
Why is my 2008 Honda Accord’s check engine light on and steering hard?
This is typically caused by a fault in the electric power steering (EPS) system, such as a failed torque sensor or control module. The check engine light alerts you to an electrical issue affecting steering assist.
Can low power steering fluid cause the check engine light in a 2008 Accord?
No. The 2008 Accord uses an electric power steering system with no hydraulic fluid. There is no power steering pump or fluid reservoir, so low fluid is not a possible cause.
How much does it cost to fix the EPS system in a 2008 Honda Accord?
Costs vary: a fuse replacement is under $10, while a new torque sensor or control module can range from $200 to $600, plus labor. Diagnosis is often the most important step.
Can I drive my Accord with the check engine light on and no power steering?
You can drive short distances, but steering will be very stiff and unsafe at low speeds. It’s best to address the issue immediately to avoid accidents or further damage.
Will disconnecting the battery reset the check engine light?
It may clear the light temporarily, but if the underlying fault remains, the light will return. Use an OBD2 scanner to read and clear codes properly.
Is the EPS problem common in 2008 Honda Accords?
Yes, it’s a known issue, especially in higher-mileage vehicles. Many owners report torque sensor or control module failures after 100,000 miles. Regular inspection can help catch problems early.