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P0298 on Dodge Challenger

Engine Oil Overtemperature Condition

Factory diagnostic protocol and troubleshooting wire for fault code P0298 specifically for the Dodge Challenger (2020–2026, 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)).

Verified OEM Telemetry & Field Repair Tree
Dodge Challenger2020–2026
Dodge Challenger
Coupe3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
Challenger SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Not Recommended
Critical urgency level
Est. Repair Cost
$150 - $600
Parts & Labor DIY
Check P0298 On Another Dodge Model:
Diagnose P0298 on Specific Challenger Model Year:

1. Symptoms of P0298 on Dodge Challenger

When the Engine Control Module (ECM/PCM) on your Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)) logs fault code P0298, drivers commonly observe:

Oil Temperature Warning light on on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Engine entering thermal protection mode on Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP))
Dodge Challenger OBD-II Port Location
The 16-pin diagnostic connector is located Under driver dash left of center stack. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Dodge Challenger

Historical warranty claims and technical repair bulletins for Dodge Challenger point to the following failure distribution:

55%
Low engine oil level (Dodge OEM Part)
25%
Clogged oil cooler (Dodge OEM Part)
12%
Heavy towing in high ambient temperatures (Dodge OEM Part)
8%
Failing cooling system (Dodge OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Dodge Challenger.

3. Step-by-Step DIY Repair Guide for Dodge Challenger

01
Scan and Record Freeze Frame Telemetry

Connect an OBD-II scan tool and record freeze frame sensor telemetry for code P0298 to note engine RPM, load, and voltage when the fault triggered. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: OBD-II Scanner
02
Inspect Related Wiring Harness & Connectors

Inspect the electrical connector and wiring harness related to P0298 for chafing, corrosion, moisture, or pin push-out. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Flashlight, Multimeter
03
Test Component Resistance & Voltage Supply

Measure circuit voltage supply (12V B+ or 5V reference) and sensor/actuator resistance according to factory repair manual specifications. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Digital Multimeter
04
Replace Defective Component

Install a new OEM-grade replacement part, torque fasteners to factory spec, and ensure electrical locking tabs click firmly. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: Hand Tool Socket Set, Torque Wrench
05
Clear Trouble Codes & Complete Drive Cycle

Clear all stored DTCs from vehicle memory and perform an OBD-II drive cycle to confirm the diagnostic monitor resets to 'Ready'. on the Dodge Challenger equipped with 3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Dodge Challenger (P0298)

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Direct-Fit Replacement Part

Dodge Challenger OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Dodge Challenger.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Dodge ChallengerVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Dodge Challenger

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Challenger:

4. Dodge Challenger P0298 FAQs

What causes code P0298 to trigger on a Dodge Challenger?

On the Dodge Challenger (3.6L Pentastar V6 (305HP) / 5.7L HEMI V8 / 6.2L Redeye Widebody (807HP)), P0298 is most frequently caused by Low engine oil level or Clogged oil cooler.

Where is the OBD-II port located on my Dodge Challenger?

On the Dodge Challenger, the 16-pin DLC diagnostic connector is located Under driver dash left of center stack. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Dodge Challenger with code P0298?

No. Pull over and let engine cool. Given that P0298 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.