Mini Cooper Error Code P0335: How to Fix It
Medium 1-2 hours High Severity
Verified June 2026
- Error Code
- P0335
- Brand
- Mini Cooper
- Product Type
- automotive
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 1-2 hours
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Tools You'll Need
- OBD2 scanner
- Multimeter
- Socket wrench set
- Phillips and flathead screwdrivers
- Electrical contact cleaner
- Feeler gauge set
- Torque wrench
How to Fix Error Code P0335
-
Check for additional error codes
Ensure the vehicle is parked on level ground with the parking brake engaged before beginning any diagnostic work. -
Inspect the crankshaft position sensor wiring
Disconnect the negative battery terminal before inspecting electrical connections to prevent accidental short circuits. -
Clean and reconnect sensor connections
-
Test the crankshaft position sensor
Refer to your specific model year's service manual for exact resistance specifications as they may vary. -
Check sensor gap and mounting
-
Replace the crankshaft position sensor
Use only OEM-quality sensors as aftermarket sensors may not provide accurate readings and could cause additional issues. -
Clear codes and test drive
If the code returns immediately or the engine still runs poorly, there may be additional issues requiring professional diagnosis.
Parts You May Need
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
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Engine oil
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Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
Crankshaft position sensor
Check Price on Amazon
Electrical contact cleaner
Check Price on Amazon
Engine oil
Check Price on Amazon
Wiring harness repair kit
Check Price on Amazon
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When to Call a Professional
Call a professional mechanic if you find multiple related codes, if the reluctor wheel is damaged, if there are internal engine timing issues, or if the problem persists after sensor replacement. Also seek professional help if you're uncomfortable working with electrical systems or don't have the proper diagnostic equipment.Frequently Asked Questions
Can I drive my Mini Cooper with P0335 error code?
It's not recommended to drive with P0335 as the engine may stall unexpectedly or not start at all. The crankshaft position sensor is critical for engine operation and timing, making the vehicle unreliable and potentially unsafe to drive.
What causes P0335 error code in Mini Cooper?
P0335 is typically caused by a faulty crankshaft position sensor, damaged wiring or connectors, oil contamination of the sensor, incorrect sensor gap, or in rare cases, a damaged reluctor wheel or timing chain issues.
How much does it cost to fix P0335 in a Mini Cooper?
DIY repair costs $50-150 for a new sensor plus tools if needed. Professional repair typically costs $200-400 including parts and labor. Costs may be higher if additional components like wiring harnesses need replacement.
How do I know if my crankshaft position sensor is bad?
Symptoms include difficulty starting, engine stalling, rough idling, misfiring, loss of power, and the check engine light. The engine may also fail to start completely if the sensor has failed entirely.
Where is the crankshaft position sensor located on Mini Cooper?
The crankshaft position sensor is typically located near the crankshaft pulley area, close to the harmonic balancer or flywheel, depending on your specific Mini Cooper model year. It's usually mounted on the engine block or timing cover.