[SOLVED] Dodge P1400 Code: Quick Fix For Aftermarket Calibration Issue

The OBD code P1400 for Dodge indicates an issue with the Differential Pressure Feedback Electronic (DPFE) sensor circuit.

This affects the EGR (Exhaust Gas Recirculation) system.

Symptoms include the Engine Light being ON.

The cause could be PCM programming or a faulty PCM.

It’s a moderate issue.

To fix, inspect the wiring harness, connectors, and components for any damage or corrosion.

Repair Importance Level	6.67 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	6.67 (Out of 10)

Symptoms of the Dodge p1400 OBD Code

The Dodge P1400 fault code typically triggers when there is an issue with the exhaust gas recirculation system.

Symptoms: Engine Light ON.
Possible lack of power during acceleration.
May experience rough idling.

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Causes of the Dodge p1400 OBD Code

The P1400 fault code on a Dodge typically indicates an issue with the EGR valve.

P1400 can be caused by a faulty EGR valve position sensor.
A malfunctioning EGR valve.
Corroded or damaged EGR valve wiring.
A faulty EGR vacuum solenoid.
Powertrain Control Module (PCM) programming.
Faulty Powertrain Control Module.

Fixing Dodge Error Code p1400 Step By Step

Address the issue by inspecting the EGR valve and its related components for faults or blockages.

To fix Dodge OBDII code P1400, start by reviewing the possible causes mentioned above.
Visually examine the EGR valve and its corresponding wiring harness and connectors for any damage.
Check the connector pins for signs of being broken, bent, pushed out, or corroded.
Clean the EGR valve and its passages to ensure proper operation.
Test the EGR valve position sensor using a multimeter to verify its functionality.
Replace the EGR valve if it fails the test.
Clear the fault codes and perform a test drive to confirm the repair.

Cost Of Fixing Dodge p1400 Fault Code

Diagnosing and repairing Dodge P1400 involves testing and potentially replacing the EGR valve and sensor.

The cost to diagnose and fix Dodge OBD code P1400 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.

Costs may vary based on shop rates, complexity of the issue, and any additional parts or labor needed for the repair.

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Details of the Dodge p1400 OBD Code

Dodge P1400 relates to the EGR valve position sensor circuit having an issue.

Dodge OBD code P1400 indicates that there is a problem with the Differential Pressure Feedback Electronic (DPFE) sensor circuit.

This sensor is responsible for monitoring the exhaust gas recirculation (EGR) system.

The ECM triggers this code when it detects a discrepancy between the expected DPFE sensor voltage and the actual voltage.

This code is related to the EGR system and helps the ECM monitor and control emissions.

Mechanic’s Tech Notes

Detailed information on Dodge P1400 code, including symptoms, causes, and solutions for effective troubleshooting.

To diagnose OBDII code P1400 in a Dodge, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.

Verify TCM communication over the Controller Area Network (CAN) using a scan tool.

If the TCM does not respond, reprogramming or reflashing may be necessary.

Visually inspect the wiring harness and connectors for any damage, and check for broken, bent, or corroded pins.

This thorough inspection will help identify and address any issues causing the P1400 fault code.

FAQ

1. What are the common symptoms associated with OBD code P1400 in a Dodge vehicle?

Common symptoms of OBD code P1400 in a Dodge vehicle include the Engine Light ON and possible causes are PCM programming or faulty PCM. Fix: Inspect wiring harness and connectors.

2. What is the typical cause of OBD code P1400 in Dodge vehicles?

Typical cause of OBD code P1400 in Dodge vehicles is PCM programming or faulty PCM. Check wiring harness, connectors, and component damage.

3. How can I diagnose and repair OBD code P1400 in my Dodge vehicle?

Diagnose and repair OBD code P1400 in your Dodge by checking PCM programming, faulty PCM, and wiring harness/connectors for damage or corrosion.

Wrap Up

If your Dodge is showing OBD code P1400 and you’re experiencing issues with the EGR valve system, it could be caused by a faulty EGR valve position sensor, a clogged EGR valve, or wiring problems in the EGR system.

To address Dodge OBD code P1400, start by checking the EGR valve position sensor for proper operation and inspecting the EGR valve for any blockages.

Additionally, examine the wiring harness and connectors related to the EGR system for any signs of damage or corrosion that may be affecting sensor readings.