AutoCodes – Dodge – P207F Dodge

P207F Dodge Code - Reductant Quality Performance

Quick Answer

The aftertreatment system is equipped with two Nox Sensors and modules. Common causes include Degraded, Diluted or Incorrect Diesel Exhaust Fluid, Exhaust System leak, Diesel Exhaust Fluid Deposit in Def Injector Decomp Tube. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P207F Dodge indicates Reductant Quality Performance.
Common causes: Common causes include Degraded, Diluted or Incorrect Diesel Exhaust Fluid, Exhaust System leak, Diesel Exhaust Fluid Deposit in Def Injector Decomp Tube.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 16,933

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 23, 2021

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
Comments
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Code P207F Dodge Description

The aftertreatment system is equipped with two Nox Sensors and modules. The upstream NOx Sensor 1/1 is located on the Turbocharger elbow downpipe and is permanently connected to a corresponding Nox Sensor Module mounted to the hot side of the engine block. The downstream NOx Sensor 1/2 is located at the outlet of the SCR Catalyst and is permanently connected to a corresponding Nox Sensor Module which is mounted on the right frame rail. The NOx Sensors and NOx Sensor Modules are calibrated to each other and must be replaced as an assembly. The two NOx Sensor and Module assemblies are not interchangeable. The NOx Sensor Modules are smart devices and communicate with the Powertrain Control Module (PCM) over the J1939 Data Link. The NOx Sensor Modules perform their own internal diagnostics and report malfunctions back to the PCM. The NOx Sensors are used to monitor the efficiency of the SCR Catalyst and dosing system. The PCM will illuminate the Malfunction Indicator Lamp (MIL) after the diagnostic runs and fails in two consecutive drive cycles. The PCM will turn off the MIL immediately after the monitor runs and passes.

OBDII Code P207F Dodge - Reductant Quality Performance - AutoCodes.com — P207F Dodge Code - Reductant Quality Performance

What does this mean?

What are the Possible Causes of the DTC P207F Dodge?

Degraded, Diluted or Incorrect Diesel Exhaust Fluid
Exhaust System leak
Diesel Exhaust Fluid Deposit in Def Injector Decomp Tube
Defective SCR Catalyst

How to Fix the DTC P207F Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P207F Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.