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P0101 on Chrysler 300: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0101 (Mass Air Flow (MAF) Sensor Circuit Range/Performance) specifically on the Chrysler 300 (2020–2025, 3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8)).

2020–2025
300Sedan
Sensor Voltage Ref
0.1V – 5.0V Ref
300 SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
Medium urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0101 On Another Chrysler Model:

1. Symptoms of P0101 on Chrysler 300

When the Engine Control Module (ECM/PCM) on your Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8)) logs fault code P0101, drivers commonly observe:

Check Engine Light (CEL) illuminated on Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8))
Rough or erratic engine idle on Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8))
Hesitation during acceleration on Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8))
Black smoke or rich exhaust smell on Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8))
Stalling after cold startup on Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8))
Chrysler 300 OBD-II Port Location
The 16-pin diagnostic connector is located Under driver side dash near left knee panel. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Chrysler 300

Historical warranty claims and technical repair bulletins for Chrysler 300 point to the following failure distribution:

55%
Dirty or contaminated MAF sensor hot wire (Chrysler OEM Part)
25%
Cracked intake air boot allowing unmetered air (Chrysler OEM Part)
12%
Damaged wiring harness or corroded connector pins (Chrysler OEM Part)
8%
Faulty MAF sensor unit (Chrysler OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Chrysler 300.

3. Step-by-Step DIY Repair Guide for Chrysler 300

01
Inspect the Air Filter

Open the airbox and verify the air filter is not clogged with debris, oil, or moisture. on the Chrysler 300 equipped with 3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8).

02
Clean MAF Sensor with Dedicated Cleaner

Disconnect the electrical harness, remove the two Torx screws, and spray CRC MAF Cleaner directly onto the platinum sensor wires. Let dry completely. on the Chrysler 300 equipped with 3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8).

03
Check for Vacuum and Intake Leaks

Inspect the rubber intake tube for cracks or loose clamps between the sensor and throttle body. on the Chrysler 300 equipped with 3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8).

04
Clear Trouble Codes & Road Test

Use an OBD-II scanner to clear code P0101, then drive 15 miles to complete drive cycles. on the Chrysler 300 equipped with 3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8).

Other Common Fault Codes on Chrysler 300

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chrysler 300:

4. Chrysler 300 P0101 FAQs

What causes code P0101 to trigger on a Chrysler 300?

On the Chrysler 300 (3.6L Pentastar V6 (292HP) / 5.7L / 6.4L 392 HEMI V8 (485HP SRT8)), P0101 is most frequently caused by Dirty or contaminated MAF sensor hot wire or Cracked intake air boot allowing unmetered air.

Where is the OBD-II port located on my Chrysler 300?

On the Chrysler 300, the 16-pin DLC diagnostic connector is located Under driver side dash near left knee panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Chrysler 300 with code P0101?

Yes, but fuel economy will drop and engine may hesitate under heavy load. Given that P0101 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.