P0335 on a Jeep: Causes, Fixes & Repair Cost

⚠️ Severe · not recommended to drive

The engine may crank but not start, or stall without warning, so have the Jeep towed to a shop.

What P0335 means on a Jeep

On a Jeep, P0335 means the computer lost the crankshaft position signal needed to fire the ignition. The engine may crank but not start, or stall without warning while driving.

Is P0335 common on Jeeps?

Jeep crankshaft sensors fail with age, especially on higher-mileage Wranglers and Grand Cherokees. Rough driving, mud, and heat can damage the sensor wiring, so inspect the harness before replacing the part.

Commonly reported on: Wrangler, Grand Cherokee, Cherokee, Compass.

Symptoms

Engine cranks but won't start
Engine stalls without warning
Check engine light is on
No spark from the ignition system

Common causes

most common: Failed crankshaft position sensor
common: Wiring damaged by heat, mud, or rough terrain
common: Loose or corroded sensor connector
less common: Damaged trigger wheel or reluctor teeth

How to fix it

Fix	DIY?	Typical cost
Inspect the harness, then replace the crankshaft position sensor	Yes	$50–190
Repair damaged wiring or the sensor connector	Yes	$20–150
Have a shop replace the sensor including labor	Mechanic	$150–400