AutoCodesDodge – P2529 Dodge

P2529 Dodge Code - Vacuum Reservoir Pressure Sensor Circuit Intermittent

Quick Answer

The Powertrain Control Module (PCM) monitors the Vacuum Reservoir Pressure Sensor Circuit. Common causes include Faulty Vacuum Reservoir Pressure Sensor, Vacuum Reservoir Pressure Sensor harness is open or shorted, Vacuum Reservoir Pressure Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P2529 Dodge indicates Vacuum Reservoir Pressure Sensor Circuit Intermittent.
Common causes
Common causes include Faulty Vacuum Reservoir Pressure Sensor, Vacuum Reservoir Pressure Sensor harness is open or shorted, Vacuum Reservoir Pressure Sensor circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 3,385
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 17, 2019
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Code P2529 Dodge Description

The Powertrain Control Module (PCM) monitors the Vacuum Reservoir Pressure Sensor Circuit. The PCM sets the OBDII code when the Vacuum Reservoir Pressure Sensor signal is out of factory specifications.
OBDII Code P2529 Dodge - Vacuum Reservoir Pressure Sensor Circuit Intermittent - AutoCodes.com
P2529 Dodge Code - Vacuum Reservoir Pressure Sensor Circuit Intermittent

What are the Possible Causes of the DTC P2529 Dodge?

  • Faulty Vacuum Reservoir Pressure Sensor
  • Vacuum Reservoir Pressure Sensor harness is open or shorted
  • Vacuum Reservoir Pressure Sensor circuit poor electrical connection

How to Fix the DTC P2529 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 P2529 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2529 Dodge Code

1. What does the OBDII code P2529 mean on a Dodge vehicle?

P2529 indicates an intermittent issue in the vacuum reservoir pressure sensor circuit, which monitors and regulates vacuum pressure for various engine and vehicle systems.

2. What are the common symptoms of code P2529 in a Dodge?

Symptoms may include a check engine light, poor engine performance, decreased fuel efficiency, difficulty with HVAC controls, or erratic behavior in systems relying on vacuum pressure.

3. What causes the P2529 code to appear in Dodge vehicles?

Common causes include a faulty vacuum reservoir pressure sensor, damaged wiring or connectors in the circuit, vacuum leaks, or issues with the vehicle’s PCM (Powertrain Control Module).

4. Can I drive my Dodge with a P2529 code?

While the vehicle may still be drivable, ignoring this code can lead to worsening performance issues and potential damage to other components. It's best to address it promptly.

5. How do I diagnose the P2529 code in my Dodge?

Start by inspecting the vacuum reservoir pressure sensor and its wiring for damage or corrosion. Check for vacuum leaks and use a scan tool to monitor sensor readings.

6. What tools are needed to fix the P2529 code on a Dodge?

You may need a multimeter, a scan tool capable of reading live data, and basic hand tools for inspecting and replacing components.

7. How much does it cost to repair the P2529 code on a Dodge?

Repair costs vary but may range from $100 to $300, depending on whether the issue is a faulty sensor, wiring repair, or vacuum system repair.

8. Can a vacuum leak trigger the P2529 code in a Dodge?

Yes, a vacuum leak can cause erratic readings from the vacuum reservoir pressure sensor, leading to the P2529 code.

9. Will resetting the code clear the P2529 issue on my Dodge?

Resetting the code may temporarily turn off the check engine light, but the issue will likely return unless the root cause is fixed.

10. Is the P2529 code a common problem in Dodge vehicles?

The P2529 code is not extremely common, but it can occur in Dodge models with systems that rely heavily on vacuum pressure, especially if there is component wear or vacuum leaks.

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