P1399 Wait To Start Lamp Circuit Open Or Shorted

If the P1399 Wait to Start Lamp Circuit is open or shorted, it means that there is a problem with the circuit. This usually occurs when one of the wires in either the power or ground circuits has become damaged, corroded, disconnected, or otherwise not functioning correctly.

If this happens, then trouble codes will be stored and diagnostic tests should be run to determine what specifically needs to be repaired. Once an issue is identified and fixed, all related components must be inspected for damage before reconnecting them so as not to cause further issues down the line.

The P1399 code indicates that there is an open or short circuit in the wiring associated with the Vehicle Control Module (VCM) and its related components, such as the wait-to-start lamp.

This means that either too much current is flowing through one of these parts or not enough current is being supplied to it, resulting in an electrical malfunction. When this occurs, it can result in various problems with starting or running your vehicle correctly.

To diagnose this issue, you will need to use a diagnostic scanner that can connect to your car through its onboard diagnostics port (OBD).

Once attached to the OBD connector, the scanner will be able to read any trouble codes stored by your vehicle’s computer system and pinpoint exactly where there may be an open circuit or shorted wire causing this fault code to appear.

P1399 Wait To Start Lamp Circuit Open Or Shorted

P1399 Code

If you’re an automotive enthusiast, you’ve probably heard of the P1399 code – a common trouble code that can indicate a variety of problems in your vehicle.

This code is often associated with Honda and Acura vehicles, but it can appear on any make and model.

The P1399 code indicates that there is a malfunction in your cylinder deactivation system (CDS). Your CDS is responsible for switching off certain cylinders when they are not needed during normal operation – such as when driving at low speeds or idling – which helps improve fuel efficiency.

When the CDS malfunctions, usually due to faulty wiring or poor connection between components, this code will be triggered.

The most common symptom associated with this issue is rough engine performance while accelerating or cruising at highway speeds; other related issues may include reduced fuel economy and increased emissions output from the exhaust system.

Also Read: P1282 Fuel Pump Relay Control Circuit Open Or Shorted

P1399 Ford

The P1399 refers to an engine misfire that occurs due to a problem with ignition or fuel delivery. This can be caused by faulty spark plugs, worn-out ignition coils, bad injectors, and clogged fuel filters.

It can also be triggered by issues such as vacuum leaks or timing belt problems. In any case, when this code is thrown it usually indicates some type of internal combustion issue within the engine itself.

When your check engine light comes on with a P1399 code, it’s important to take action immediately in order to prevent further damage from occurring within your vehicle’s motor system.

Typical symptoms associated with this particular code include rough idling and stalling while driving down the road; decreased power; poor acceleration; increased exhaust emissions or even backfiring; and general reduced performance overall if left unchecked for too long.

P1399 Wait To Start Lamp Circuit Open Or Shorted

What is the P1399 Wait To Start Lamp Circuit Open Or Shorted Code

If your vehicle’s Check Engine Light is illuminated, you may have noticed that it sometimes flashes a code such as P1399 Wait To Start Lamp Circuit Open Or Shorted. This code indicates an issue with the circuit responsible for powering the wait-to-start lamp on your dashboard. In this blog post, we will discuss what this code means and how to go about fixing it.

In order to understand what P1399 Wait To Start Lamp Circuit Open Or Shorted means, it helps to first explain what the wait-to-start lamp does. The wait-to-start lamp is designed to let you know when your vehicle has reached optimal operating temperature before attempting any strenuous tasks like climbing hills or driving at higher speeds than usual.

When the engine starts up, this light comes on and stays lit until it reaches its ideal temperature level; at which point then the light turns off and you can proceed with driving normally.

The reason why P1399 Wait To Start Lamp Circuit Open Or Shorted might be flashing on your dashboard is because there is either an open or shorted circuit in the wiring between where power enters from the battery and where it connects to activate the lamp itself.

How Do I Know If My Car Has a P1399 Wait To Start Lamp Circuit Open Or Shorted Issue

If you think your car may have an issue with the P1399 Wait To Start Lamp Circuit Open Or Shorted, there are a few steps you can take to determine if this is indeed the case.

First and foremost, it’s important to understand what this code means in order to properly diagnose the problem. The P1399 Wait To Start Lamp Circuit Open Or Shorted code indicates that the wait-to-start lamp circuit on your vehicle has either an open or shorted condition.

This happens when there is an interruption in power flow from one of the components within this electrical system – usually from a broken wire or faulty connection – resulting in either an open (no power) or shorted (too much power) situation.

To determine whether your car has such a fault, you need to inspect all of its wiring connections first and make sure they are secure and not damaged in any way. You should also check for any loose wires that could be causing electrical interference with other parts of the system as well.

What Causes a P1399 Wait To Start Lamp Circuit Open Or Shorted Error Code

If your car is showing a P1399 Wait To Start Lamp Circuit Open Or Shorted error code, it means that there is an issue with the starting system in your vehicle.

This code can be triggered by a number of different issues, including a faulty starter relay, corroded wiring or connectors, and even mechanical problems with the starter motor itself. The most common cause of this error code is usually due to an open circuit in the starting system.

When this happens, power from the battery cannot reach the starter relay or solenoid to engage the starter motor. This can be caused by corrosion on any of the electrical connections leading from your battery to these components or even just loose wires along these circuits.

In some cases, however, you may have an issue with your starter motors itself such as worn-out brushes or damaged windings inside which can prevent it from turning over and engaging properly when instructed by the PCM (Powertrain Control Module).

How Can I Fix a P1399 Wait To Start Lamp Circuit Open Or Short Issue on My Vehicle

If you have a P1399 Wait To Start Lamp Circuit Open Or Short issue on your vehicle, then it is important to take some steps to identify and address the root cause of this problem. This article will provide an overview of how to fix a P1399 Wait To Start Lamp Circuit Open Or Short issue on your vehicle. First, it is important to understand what the P1399 code means.

The “P” stands for powertrain-related codes while 1399 indicates that there is an open or short circuit in the wait-to-start lamp control circuit. Generally, this code appears when there is a break in continuity between either the positive or negative side of the wait-to-start lamp control circuit, which can be caused by several different factors including damaged wiring harnesses, blown fuses, or faulty relays.

To begin troubleshooting this issue, first check the fuse box and make sure all applicable fuses are working properly and not blown out as this can often be one of many causes for an open/short circuit in any electrical system within a car.

How to identify a shorted ignition coil (Honda C.O.P.)


If you’ve noticed that your vehicle’s “Wait to Start” lamp is on or off, it may be an indication of a circuit open or shorted condition.

This code P1399 can indicate either the wait-to-start lamp circuit is open or shorted and needs to be diagnosed further in order to determine what exactly is causing the issue. If left unchecked, this can cause damage to other components of the electrical system and reduce fuel economy.

To get started diagnosing this code, check for any loose wiring connections and ensure all fuses are functioning properly. You should then use a voltage meter to test if there is power coming from the “wait-to-start” lamp itself as well as measure how much current is going through it.

After troubleshooting these issues and confirming they are not responsible for the P1399 error code you will likely need to take your vehicle to a professional mechanic who has access to specialized diagnostic equipment necessary for resolving more complex electrical issues such as this one.