If your check engine light just came on and your OBD-II scanner pulled a P0335 code, you're probably wondering what's actually wrong and whether the fix is different for your specific car. That's a fair question because while P0335 points to the crankshaft position sensor circuit across all vehicles, the root cause can vary a lot depending on the make and model you drive. A Toyota with a P0335 often has a completely different problem than a BMW with the same code. Knowing what typically goes wrong on your specific vehicle saves you time, money, and the frustration of replacing parts that aren't broken.
What Does the P0335 Code Actually Mean?
P0335 is a generic OBD-II diagnostic trouble code that stands for "Crankshaft Position Sensor 'A' Circuit Malfunction." The crankshaft position sensor (CKP) monitors the position and rotational speed of the crankshaft. This data goes to the engine control module (ECM), which uses it to manage ignition timing and fuel injection.
When the ECM doesn't receive a proper signal from the CKP sensor or the signal is intermittent, erratic, or completely missing it sets the P0335 code. The engine may still run in some cases, but you'll often notice rough idling, stalling, hard starts, or a no-start condition. Understanding the how and why behind a missing engine speed signal helps you figure out whether this is a simple fix or something more involved.
Why Does the Same Code Cause Different Problems on Different Cars?
Every manufacturer designs its engine wiring, sensor placement, and ECM software differently. A crankshaft position sensor on a Honda sits in a different location than one on a Ford. The wiring harness routes differently. The sensor type may be a magnetic reluctance sensor on one vehicle and a Hall-effect sensor on another. The connector design, the harness length, and even the engine bay heat zones all affect what fails and when.
That's why a blanket "replace the crankshaft position sensor" recommendation can waste your money. On some vehicles, the sensor itself is rarely the problem. On others, it fails so often that mechanics keep them in stock.
P0335 Common Causes on Toyota and Lexus
Toyota and Lexus vehicles especially the Camry, Corolla, RAV4, Highlander, and ES350 are among the most common platforms where P0335 shows up. Here's what typically goes wrong:
- Wiring harness damage near the sensor: On many Toyota engines (particularly the 2AZ-FE and 2GR-FE), the CKP sensor wiring runs close to hot exhaust components. Over time, the insulation cracks or melts, causing an open circuit or short.
- Failed crankshaft position sensor: Toyota CKP sensors do fail, usually after 100,000–150,000 miles. Heat cycling degrades the internal electronics.
- Timing chain stretch: On higher-mileage 2GR engines, a stretched timing chain can cause erratic crankshaft signal patterns that the ECM reads as a circuit malfunction even when the sensor is fine.
- Corroded connector pins: Moisture intrusion at the sensor connector is less common but does happen, especially in areas with heavy road salt use.
If you own a Toyota or Lexus, start by inspecting the wiring before buying a new sensor. A visual check takes five minutes and can save you the cost of a part you don't need.
P0335 Common Causes on Honda and Acura
Honda Civic, Accord, CR-V, and Acura TL models with the K-series or J-series engines are frequent P0335 visitors. The pattern on these vehicles tends to be:
- CKP sensor failure: Honda crankshaft position sensors are more failure-prone than some other brands, especially on 2003–2007 Accord and Civic models. Internal coil windings break down with age and heat.
- Timing belt issues (interference engines): On older Honda engines with timing belts, a jumped or broken timing belt can cause the crankshaft and camshaft signals to go out of sync, triggering P0335 along with P0340.
- Connector water intrusion: The CKP sensor connector on some Honda models sits low enough to collect road spray. Water in the connector causes erratic signals.
- ECM ground issues: Less common, but poor engine ground connections have been documented as a false P0335 trigger on certain Honda models.
P0335 Common Causes on Nissan and Infiniti
Nissan Altima, Maxima, Sentra, and Infiniti G35/QX vehicles have a well-documented history with crankshaft and camshaft position sensor codes. The main causes include:
- Defective OEM sensor: Nissan's original crankshaft position sensors particularly on the VQ35DE V6 engine are known failure points. Many Nissan techs consider these sensors a maintenance item after 80,000 miles.
- Reluctor ring damage: On some Nissan engines, the tone ring (reluctor wheel) on the crankshaft can chip or lose teeth, producing an incomplete signal even with a good sensor.
- Wiring chafe near the transmission bellhousing: The CKP sensor harness on several Nissan models routes near the transmission where it can rub against metal surfaces and wear through.
Nissan owners dealing with this code should know that replacing just the sensor without checking the reluctor ring and wiring is a common mistake that leads to repeat failures.
P0335 Common Causes on Ford and Lincoln
Ford F-150, Escape, Explorer, and Lincoln models especially those with the 3.5L EcoBoost and 5.4L Triton engines show P0335 for a few specific reasons:
- Failed CKP sensor: The sensor itself is a common failure on Ford trucks, particularly in high-heat environments. It tends to fail when hot and work again after cooling, making diagnosis tricky.
- Wiring harness issues on the 5.4L Triton: The wiring on these engines is known for chafing against engine brackets and developing intermittent shorts.
- Trigger wheel (reluctor) problems: On the 3.5L EcoBoost, a misaligned or damaged crankshaft trigger wheel can set P0335. This is more common after engine work where the crankshaft was disturbed.
- Battery and charging system voltage issues: Low system voltage or a weak battery can cause the ECM to misread sensor circuits. Ford ECMs are somewhat sensitive to voltage drops, and P0335 sometimes appears alongside a dying battery.
P0335 Common Causes on Chevrolet, GMC, and Other GM Vehicles
GM trucks and cars with the LS-series and Ecotec engines (Silverado, Tahoe, Malibu, Equinox) experience P0335 in these patterns:
- CKP sensor failure on the 5.3L and 6.0L LS engines: The sensor is mounted at the back of the engine near the flywheel/flexplate. Oil leaks from the rear main seal can contaminate the sensor and connector.
- Wiring damage from heat shields and exhaust routing: On GM trucks, the CKP sensor harness can get pinched or melted near exhaust manifolds.
- Reluctor wheel issues on Ecotec engines: The 2.2L and 2.4L Ecotec engines have a history of reluctor wheel movement on the crankshaft, which changes the signal pattern and triggers P0335.
- Failed ECM (rare): On certain GM models, internal ECM failure has been documented as the root cause, but this is uncommon and should only be considered after ruling out everything else.
P0335 Common Causes on BMW
BMW 3 Series, 5 Series, and X5 models especially the N52, N54, and N55 inline-six engines tend to have these specific issues:
- CKP sensor failure: BMW crankshaft position sensors degrade over time, particularly on vehicles with over 80,000 miles. The signal weakens gradually before failing completely.
- Wiring harness deterioration: BMW engine wiring harnesses become brittle with age and heat exposure. Cracks in the insulation near the CKP sensor connector are common on older models.
- Valvetronic and VANOS timing issues: While these systems are camshaft-related, severe timing problems can cause the ECM to flag crankshaft signal correlation errors that show up as P0335.
P0335 Common Causes on Hyundai and Kia
Hyundai Sonata, Elantra, Tucson, and Kia Optima and Sorento models have their own set of P0335 triggers:
- CKP sensor internal failure: Common on the Theta II 2.0L and 2.4L engines, especially those affected by the well-known engine recall issues. Metal debris from bearing wear can interfere with the sensor.
- Wiring damage from engine heat: Tight engine bays in Hyundai/Kia vehicles mean the CKP sensor wiring is often close to exhaust components.
- Recall-related engine damage: Some Hyundai and Kia vehicles with the Theta II engine have experienced internal engine damage from manufacturing debris. P0335 can appear as a secondary symptom of bearing and crankshaft damage. If your vehicle is under the engine recall, check your VIN at the NHTSA recall lookup page before spending money on sensor replacement.
What Are the Most Common Mistakes People Make With This Code?
The biggest mistake is throwing a new crankshaft position sensor at P0335 without checking anything else. Here are other mistakes worth avoiding:
- Ignoring the wiring: A damaged wire or corroded connector is just as likely as a bad sensor. Always inspect the full circuit.
- Not checking for related codes: P0335 often appears with P0340 (camshaft position sensor). If both are present, the problem might be a timing issue rather than two bad sensors.
- Using cheap aftermarket sensors: This is especially true for Nissan, BMW, and Hyundai vehicles. Low-quality aftermarket CKP sensors often fail within months. OEM or high-quality OE-equivalent sensors are worth the extra cost.
- Skipping the reluctor ring inspection: If you have the sensor out, check the tone ring for missing or damaged teeth if accessible.
- Not clearing the code and test driving: After any repair, clear the code and drive the vehicle through multiple start-stop cycles to confirm the fix worked.
For a full step-by-step diagnostic process, you can follow our guide on diagnosing the P0335 crankshaft position sensor code.
How Much Does It Cost to Fix a P0335 Code?
The repair cost depends entirely on what's causing the code on your specific vehicle:
- CKP sensor replacement only: $20–$80 for the part, $75–$200 for labor. Total: roughly $100–$280.
- Wiring repair: $50–$150 if a shop does it. Free if you can solder and use heat-shrink tubing yourself.
- Reluctor wheel or timing chain/belt repair: This gets expensive $500–$1,500+ depending on the engine and whether internal components need to come apart.
Get a full breakdown of what to expect on our P0335 replacement cost estimate page.
Quick Checklist: Diagnosing P0335 on Your Vehicle
- Read all codes. Don't just look at P0335. Write down every code stored in the ECM.
- Research your specific make, model, and engine. Use the sections above to find known failure points for your vehicle.
- Inspect the CKP sensor wiring and connector. Look for damage, corrosion, melted insulation, and loose pins.
- Test the sensor with a multimeter. Check resistance against your vehicle's spec (usually 200–1,500 ohms depending on the sensor type).
- Check the reluctor ring if accessible for missing or damaged teeth.
- Verify battery voltage and charging system health. A weak battery can set false sensor codes.
- Replace the sensor with OEM or quality OE-equivalent parts if testing confirms failure.
- Clear the code and drive 2–3 full warm-up cycles before confirming the repair is complete.
Tip: If the code comes back after a new sensor, the problem is almost certainly in the wiring, the reluctor ring, or a timing-related issue not the sensor itself. Don't keep replacing the same part expecting a different result.
P0335 Crankshaft Position Sensor: Diagnosis Steps and Replacement Cost Estimate
How to Troubleshoot P0335 Engine Speed Signal Missing
P0335 Code Diagnosis Steps for Crankshaft Position Sensor
Diy P0335 Code Fix with Multimeter and Oscilloscope
Crankshaft Position Sensor Replacement Cost Estimate 2024 – Full Guide
P0335 Crankshaft Sensor Wiring Harness Resistance Test Procedure