P0394 on JEEP WRANGLER — Camshaft Position Sensor B Circuit Intermittent Bank 2

Q: "What does P0394 mean on a JEEP WRANGLER?"

"P0394 indicates: Camshaft Position Sensor B Circuit Intermittent Bank 2. This is a ignition system code. 2 JEEP WRANGLER owners have reported this to NHTSA."

Q: "What are the most common causes of P0394 on JEEP WRANGLER?"

"Based on 2 NHTSA reports, the most commonly cited components are: Power Train,Vehicle Speed Control,Engine, Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0394 serious on my JEEP WRANGLER?"

"Of 2 NHTSA reports for this code on JEEP WRANGLER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my JEEP WRANGLER shows P0394?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0394 Means on Your JEEP WRANGLER

P0394 is a diagnostic trouble code indicating: Camshaft Position Sensor B Circuit Intermittent Bank 2. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 JEEP WRANGLER owners have reported this issue to NHTSA across model years 2012-2015. Most reports come from the 2012, 2015 model years. The most commonly reported component is Power Train,Vehicle Speed Control,Engine (50.0% of reports).

Real JEEP WRANGLER Owner Reports

Source: NHTSA Complaints Database

"Beginning of feb., lost power on freeway. went from 65 to 40 mph and could not accelerate. engine and traction lights came on. exited the fwy and drove to dealer where i was turned away due to high volume."

— 2012 JEEP WRANGLER owner · POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE · Filed 03/18/2020

"Check engine light on, OBD codes P0016, P0390, P0394. Replaced camshaft and crankshaft sensors and problem still persists; limp mode up hills, and oil loss. Per MULTIPLE Jeep Wrangler forums, this is a very wide-spread Jeep phenomenon. Dealers do not know how to fix this."

— 2015 JEEP WRANGLER owner · ENGINE · Filed 07/12/2021

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1

'12

1

'15

Common Causes on JEEP WRANGLER

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE 50%

ENGINE 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0394 mean on a JEEP WRANGLER? ▾

P0394 indicates: Camshaft Position Sensor B Circuit Intermittent Bank 2. This is a ignition system code. 2 JEEP WRANGLER owners have reported this to NHTSA.

What are the most common causes of P0394 on JEEP WRANGLER? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Power Train,Vehicle Speed Control,Engine, Engine. These percentages are based on the component field in owner complaints.

Is P0394 serious on my JEEP WRANGLER? ▾

Of 2 NHTSA reports for this code on JEEP WRANGLER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my JEEP WRANGLER shows P0394? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P0394 on Other Vehicles

→ All codes reported on JEEP WRANGLER