2015–2017 Chrysler 200

2015-2017 Chrysler 200 — Check Engine Light / OBD2 Diagnosis

By Tom Becker ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 14, 2026

🔧 Easy 15-30 minutes $25 DIY

Save $95 by doing it yourself! Shop cost: $120

Quick answer: Check Engine Light / OBD2 Diagnosis on a 2015–2017 Chrysler 200 is rated Easy and takes about 15-30 minutes. You'll need 2 tools for this job, and parts cost about $25. This guide walks you through the full job step by step, including the mistakes to avoid.

Quick Video Tutorial

Parts You Need

Total Cost

$25.00

Part Name	Part Number	Price	Buy
OBD2 scanner	—	$25.00	Amazon

About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.

💡 Pro tip: Order all parts at once to save on shipping

Step-by-Step Instructions

Follow these steps carefully

Check severity — and check the oil level first

Flashing = active misfire — stop safely, shut off. Steady = scheduled-scan fault, but check the oil first. The 2.4L Tigershark is known for oil consumption; low oil can set sensor and performance codes — oil check first, diagnosis second.

Plug into the DLC under the driver-side dash

The 16-pin OBD-II connector is under the driver-side dash near the column. Ignition off; plug the scanner in straight — snug, never forced. Powers up but won't link? Check the accessory/cigarette-lighter fuse and confirm key is fully ON, engine off.

Record codes and freeze-frame carefully

Key ON, engine off; record every code plus freeze-frame. The 2.4L's signature fault is P0520 — oil pressure sensor circuit (Chrysler TSB 18-034-14) — alongside P0456, P0300-series misfires, P0128. Freeze-frame shows whether fault struck cold, at idle, or under load.

🔧 Mechanic's note — Tom Becker

I've chased P0520 on the Tigershark before — check the oil level and the sensor's wiring before condemning the sensor. It lives low on the engine where the harness takes abuse.

Inspect the 200's known trouble spots

P0520: check oil, then the sensor's wiring and connector. P0456: gas cap seal, then purge and vent solenoids, vapor lines. Misfires: coils, plugs, connectors. Real low oil is mechanical — never clear a P0520 and ignore it.

Clear, drive, rescan — and keep watching the oil

Clear only after verified repair; run a complete drive cycle, then rescan. Recheck the dipstick at every fuel fill; a recurring P0520 with dropping oil points at consumption or an internal issue — a shop job, not another sensor.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

• Replacing parts based on a code without checking wiring, connectors, or vacuum leaks
• Clearing codes before recording confirmed, pending, and permanent codes
• Using a scanner that cannot communicate with the vehicle protocol
• Treating a stored code as proof that the named sensor itself failed

Tools You'll Need

OBD-II scanner compatible with the vehicle Flashlight Notebook or phone for codes and freeze-frame data Safety glasses

Related Trouble Codes

P0171 System Too Lean (Bank 1) P0101 Mass Airflow Sensor Range/Performance P0174 System Too Lean (Bank 2) P0562 System Voltage Low

⚠️ Safety First!

• Informational DIY. EZ Car Fix is not a shop.
• A flashing check-engine light can indicate a damaging misfire; reduce load and seek professional service promptly.
• Never work under a vehicle supported only by a jack.
• Do not clear codes before recording them and the freeze-frame data.