[SOLVED] Dodge P1399 Code: Quick Fix For Wait To Start Lamp Circuit

The OBD code P1399 for Dodge indicates an issue with the Start Lamp circuit.

Symptoms include the Engine Light being ON.

This code is usually caused by a faulty Start Lamp, open/shorted Start Lamp harness, or poor electrical connection.

It’s not a severe issue.

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

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	10.0 (Out of 10)

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Symptoms of the Dodge p1399 OBD Code

The Dodge P1399 fault code may indicate issues with the misfire detection system.

Symptoms: Engine Light ON.
Rough idle may be experienced.
Engine may hesitate or stumble during acceleration.
Vehicle may exhibit a lack of power.
Engine may run poorly overall.

Causes of the Dodge p1399 OBD Code

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P1399 in Dodge vehicles typically indicates a random misfire detected across multiple cylinders.

P1399 can be caused by a faulty Start Lamp.
A Start Lamp harness that is open or shorted.
A Start Lamp circuit with poor electrical connection.

Fixing Dodge Error Code p1399 Step By Step

Address the issue by inspecting the camshaft position sensor and its wiring for faults or damage.

To fix the Dodge OBDII code P1399, start by reviewing the possible causes and visually inspecting the wiring harness and connectors for any damage.
Check the connector pins for signs of being broken, bent, pushed out, or corroded.
Next, verify the operation of the EGR system and clean the EGR valve if necessary.
Inspect the EGR passages for carbon buildup and clean them as needed.
Finally, reset the fault codes and test drive the vehicle to ensure the code does not return.

Cost Of Fixing Dodge p1399 Fault Code

Diagnosing and repairing Dodge code P1399 may involve inspecting the camshaft position sensor and related components.

The cost to diagnose and fix the Dodge OBD code P1399 typically ranges from $75 to $150, based on a labor time estimate of 1. 0 hour.

Factors like shop rates and complexity of the repair can influence the final cost.

Details of the Dodge p1399 OBD Code

Dodge fault code P1399 indicates a misfire detected in any cylinder without a specific pattern.

Dodge OBD code P1399 indicates a multiple cylinder misfire.

This code is triggered by the Engine Control Module (ECM) when it detects misfires occurring in multiple cylinders.

The ECM monitors engine speed fluctuations through the crankshaft position sensor to identify misfires.

When multiple cylinders show misfire activity, the ECM sets code P1399 to alert the driver or technician of the issue.

Misfires can be caused by various factors such as ignition system faults, fuel delivery problems, vacuum leaks, or engine mechanical issues.

Proper diagnosis is necessary to pinpoint the exact cause of the misfires and resolve them effectively.

Mechanic’s Tech Notes

For Dodge code P1399, check for intermittent misfires in cylinders 2 and 5.

To diagnose and fix OBDII code P1399 on 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 communication issues are found, reprogramming or reflashing the TCM may be necessary.

Additionally, visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.

This thorough inspection can help identify and resolve the root cause of the P1399 fault code.

FAQ

1. What are the common causes of OBD code P1399 in a Dodge vehicle?

Common causes of OBD code P1399 in a Dodge vehicle include a faulty Start Lamp, open/shorted harness, or poor electrical connection. Inspect wiring and connectors for damage or corrosion.

2. How can I diagnose and fix OBD code P1399 in my Dodge vehicle?

Diagnose and fix OBD code P1399 in your Dodge by visually inspecting the Start Lamp circuit for faults like open/shorted harness, poor connections, or damaged components.

3. Is it safe to continue driving with OBD code P1399 present in a Dodge vehicle?

Yes, it is generally safe to drive with OBD code P1399 in a Dodge if no other symptoms are present. Inspect and repair wiring as needed.

Wrap Up

If your Dodge is displaying OBD code P1399, you may experience rough idling, stalling, or poor acceleration.

This code typically indicates a fault in the Engine Coolant Temperature (ECT) sensor circuit, potentially caused by a faulty ECT sensor, wiring issues, or a corroded connector.

To address Dodge OBD code P1399, start by checking the ECT sensor and its wiring harness for any signs of damage or corrosion.

Test the sensor’s resistance and ensure proper connection at the sensor and PCM.

Replace the ECT sensor if necessary and repair any damaged wiring or connectors