When it comes to diagnosing and fixing car problems, having the right information is key. One of the most common issues that Dodge car owners face is a P1628 code. It is a code that indicates a problem with the powertrain control module (PCM) sensor reference voltage. This code identifies an issue with the internal 5-Volt Sensor Supply sources of the PCM and can cause car performance to decrease and, in some cases, even shut off the 5-Volt Supply circuit until the next ignition cycle. Understanding the causes and solutions of this code is essential for Dodge car owners, so they can accurately assess and fix the issue.
Causes and Solutions for Dodge Code P1628
| Causes | Solutions |
|---|---|
| 5-Volt Supply Circuit Intermittently Shorted to Ground | Check for any loose connections and repair/replace as necessary. |
| 5-Volt Supply Circuit Intermittently Shorted to Voltage | Replace the PCM and the affected sensors. |
| 5-Volt Supply Circuit Intermittently Open | Test the circuit for any shorts or grounds. |
| MAP Sensor, Camshaft Position Sensor, Camshaft Position Sensor 2, Accelerator Pedal Position (APP) Sensor, or Powertrain Control Module (PCM) is faulty | Replace the affected sensors or the PCM. |
A Short Circuit Can Be Responsible for Dodge Code P1628
One of the first things to check when diagnosing a Dodge Code P1628 is whether the 5-Volt Supply Circuit is intermittently shorted to ground. This can be done by inspecting the wiring for any loose connections and making sure that all the grounds are connected properly. If there is an issue with a ground or connection, then it needs to be repaired or replaced.
A Voltage Short Can Also Trigger the Code
Another common cause of the Dodge Code P1628 is when the 5-Volt Supply Circuit is intermittently shorted to voltage. This usually happens when the MAP Sensor, Camshaft Position Sensor, Camshaft Position Sensor 2, Accelerator Pedal Position (APP) Sensor, or the PCM itself is faulty. In this case, the affected sensors or the PCM needs to be replaced.
Open Circuits Can Also Cause the Code
When diagnosing a Dodge Code P1628, it is also important to check for any open circuits. If the 5-Volt Supply Circuit is intermittently open, then it needs to be tested for any shorts or grounds. If any are found, then the wiring needs to be repaired or replaced.
Conclusion: Professional Diagnosis is Essential for Dodge Code P1628
The Dodge Code P1628 can be caused by a variety of different issues, ranging from short circuits to open circuits. In order to accurately diagnose and fix the issue, car owners need to be aware of the possible causes and solutions of the code. Professional diagnosis is essential in order to properly assess and fix the issue.
https://www.youtube.com/watch?v=g04rN8PrMC8