P2046 Dodge Code - Reductant Temperature Sensor Circuit Intermittent
Quick Answer
The reductant heater and sender assembly contains pickup tube for reductant pump module, an electric heating element, a reductant temperature sensor and an electrode type level sensor. Common causes include Faulty Reductant Temperature Sensor, Reductant Temperature Sensor harness is open or shorted, Reductant Temperature Sensor circuit poor electrical connection. 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
- P2046 Dodge indicates Reductant Temperature Sensor Circuit Intermittent.
- Common causes
- Common causes include Faulty Reductant Temperature Sensor, Reductant Temperature Sensor harness is open or shorted, Reductant Temperature Sensor circuit poor electrical connection.
- 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.
Code P2046 Dodge Description
What are the Possible Causes of the DTC P2046 Dodge?
- Faulty Reductant Temperature Sensor
- Reductant Temperature Sensor harness is open or shorted
- Reductant Temperature Sensor circuit poor electrical connection
How to Fix the DTC P2046 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 is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2046 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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Frequently Asked Questions about P2046 Dodge Code
What does the OBDII code P2046 mean on a Dodge vehicle?
1. P2046 indicates an issue with the Reductant Temperature Sensor Circuit, specifically an intermittent signal, which monitors the temperature of the Diesel Exhaust Fluid (DEF) in vehicles with selective catalytic reduction (SCR) systems. 2.
What are the common symptoms of code P2046 on a Dodge?
Symptoms may include an illuminated check engine light, reduced engine performance, increased DEF consumption, or issues with emissions control. 3.
What causes the P2046 code to appear on a Dodge?
Common causes include a faulty reductant temperature sensor, damaged wiring or connectors, a short or open circuit, or a malfunction in the powertrain control module (PCM). 4.
Can I drive my Dodge with a P2046 code?
Driving with this code is possible but not recommended, as it may lead to excessive emissions, reduced fuel efficiency, or further damage to the SCR system. 5.
How do I diagnose the P2046 code on my Dodge?
Diagnosis typically involves using a scan tool to confirm the code, inspecting the reductant temperature sensor and its wiring, and testing the circuit for shorts, opens, or intermittent signals. 6.
How is the P2046 code fixed on a Dodge?
Repairs may include replacing the reductant temperature sensor, repairing or replacing damaged wiring or connectors, and, in rare cases, reprogramming or replacing the PCM. 7.
How much does it cost to fix a P2046 code on a Dodge?
Repair costs vary but typically range from $150 to $300 for parts and labor, depending on whether the sensor or wiring needs replacement. 8.
Can a bad reductant temperature sensor cause other issues in my Dodge?
Yes, a faulty sensor can lead to improper DEF dosing, reduced SCR system efficiency, or failure to meet emissions standards. 9.
What tools are needed to troubleshoot the P2046 code on a Dodge?
You’ll need an OBDII scan tool, a multimeter for electrical testing, and possibly a wiring diagram for the reductant temperature sensor circuit. 10.
Will clearing the P2046 code fix the problem on my Dodge?
Clearing the code may temporarily turn off the check engine light, but the issue will likely return unless the underlying problem is resolved.
Discuss the causes and fixes for P2046 Dodge OBDII Code
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