P0340 on CHRYSLER 300 — Camshaft Position Sensor A Circuit Bank 1 or Single Sensor

Q: "What does P0340 mean on a CHRYSLER 300?"

"P0340 indicates: Camshaft Position Sensor A Circuit Bank 1 or Single Sensor. This is a ignition system code. 2 CHRYSLER 300 owners have reported this to NHTSA."

Q: "What are the most common causes of P0340 on CHRYSLER 300?"

"Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Engine,Fuel/Propulsion System, Power Train,Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0340 serious on my CHRYSLER 300?"

"Of 2 NHTSA reports for this code on CHRYSLER 300, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHRYSLER 300 shows P0340?"

"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 P0340 Means on Your CHRYSLER 300

P0340 is a diagnostic trouble code indicating: Camshaft Position Sensor A Circuit Bank 1 or Single Sensor. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 CHRYSLER 300 owners have reported this issue to NHTSA across model years 2008-2018. Most reports come from the 2008, 2018 model years. The most commonly reported component is Electrical System,Engine,Fuel/Propulsion System (50.0% of reports).

Real CHRYSLER 300 Owner Reports

Source: NHTSA Complaints Database

"Had two occasions in the past 12 months where as i'm driving along, the engine shut off and was barely able to keep car from colliding with other vehicles on road."

— 2008 CHRYSLER 300 owner · ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM · Filed 09/17/2014

"Check engine light comes on, vehicle has no power, can't accelerate. shows codes p0340 p0365 u1428. this is the second time this has happened with this vehicle! i was on the freeway and the accelerator pedal is totally unresponsive."

— 2018 CHRYSLER 300 owner · POWER TRAIN,ENGINE · Filed 08/22/2019

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

📊 Complaint Trend by Model Year

1

'08

1

'18

Common Causes on CHRYSLER 300

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM 50%

POWER TRAIN,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 P0340 mean on a CHRYSLER 300? ▾

P0340 indicates: Camshaft Position Sensor A Circuit Bank 1 or Single Sensor. This is a ignition system code. 2 CHRYSLER 300 owners have reported this to NHTSA.

What are the most common causes of P0340 on CHRYSLER 300? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Electrical System,Engine,Fuel/Propulsion System, Power Train,Engine. These percentages are based on the component field in owner complaints.

Is P0340 serious on my CHRYSLER 300? ▾

Of 2 NHTSA reports for this code on CHRYSLER 300, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHRYSLER 300 shows P0340? ▾

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.