P1628 Dodge Code - Sensor Reference Voltage 2 Circuit Erratic
Quick Answer
The Diagnostic Trouble Code (DTC) will be set when the Powertrain Control Module (PCM) detects that the 5-Volt Supply circuit voltage is below the minimum acceptable value. Common causes include Faulty 5-Volt Sensor, 5-Volt Sensor harness is open or shorted, 5-Volt 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
- P1628 Dodge indicates Sensor Reference Voltage 2 Circuit Erratic.
- Common causes
- Common causes include Faulty 5-Volt Sensor, 5-Volt Sensor harness is open or shorted, 5-Volt 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 P1628 Dodge Description
What are the Possible Causes of the DTC P1628 Dodge?
- Faulty 5-Volt Sensor
- 5-Volt Sensor harness is open or shorted
- 5-Volt Sensor circuit poor electrical connection
How to Fix the DTC P1628 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 P1628 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 P1628 Dodge Code
1. What are the common symptoms of OBDII code P1628 (Dodge) related to Sensor Reference Voltage 2 Circuit Erratic?
Symptoms may include rough idle, stalling, poor engine performance, and illuminated check engine light.
2. What are the possible causes of OBDII code P1628 (Dodge) indicating Sensor Reference Voltage 2 Circuit Erratic?
Potential causes include a faulty sensor, damaged wiring or connectors, issues with the powertrain control module (PCM), or a low battery voltage.
3. How can I diagnose the Sensor Reference Voltage 2 Circuit Erratic issue causing OBDII code P1628 (Dodge)?
Perform a thorough inspection of the sensor and its wiring, check for loose connections, test the sensor voltage, and scan the PCM for any related trouble codes.
4. Can driving with OBDII code P1628 (Dodge) present cause further damage to the vehicle?
Continued driving with this code may lead to decreased fuel efficiency, engine misfires, and potential damage to other components, so it's best to address the issue promptly.
5. Are there any DIY repair tips for fixing OBDII code P1628 (Dodge) associated with Sensor Reference Voltage 2 Circuit Erratic?
DIY enthusiasts can try checking and cleaning the sensor connectors, inspecting the wiring for damage, and resetting the PCM to see if the code clears.
6. Is it safe to reset the OBDII code P1628 (Dodge) related to Sensor Reference Voltage 2 Circuit Erratic without fixing the underlying issue?
While clearing the code may temporarily turn off the check engine light, the underlying problem will persist, potentially leading to more severe issues down the road.
7. How much does it typically cost to repair OBDII code P1628 (Dodge) caused by Sensor Reference Voltage 2 Circuit Erratic?
The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a mechanic's shop.
8. Can extreme weather conditions affect the occurrence of OBDII code P1628 (Dodge) linked to Sensor Reference Voltage 2 Circuit Erratic?
Yes, extreme temperatures or humidity levels can impact sensor performance and exacerbate issues related to erratic sensor reference voltage.
9. What is the role of Sensor Reference Voltage 2 in the vehicle's system, and why is it crucial to address issues with this circuit promptly?
Sensor Reference Voltage 2 provides a stable voltage supply to critical sensors for accurate data readings, so any irregularities can lead to incorrect engine performance data and potential drivability issues.
10. Are there any recalls or technical service bulletins (TSBs) related to OBDII code P1628 (Dodge) concerning Sensor Reference Voltage 2 Circuit Erratic?
It's recommended to check with the manufacturer or a trusted dealership to inquire about any relevant recalls or TSBs that address this specific OBDII trouble code and its associated concerns.
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