P0340 on CHRYSLER 300
Camshaft Position Sensor A Circuit Bank 1 or Single Sensor
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Chrysler 300 context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0340.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
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. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
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."
"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."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on CHRYSLER 300
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.