Engine-CodesDodge – P2059 Dodge

P2059 Dodge Code - O2 Sensor Signal Circuit Signal Voltage Too High

Quick Answer

The P2059 diagnostic trouble code for Dodge vehicles indicates that the O2 (oxygen) sensor signal circuit is reporting a voltage that is too high. Common causes include Faulty O2 sensor, Wiring issues in the O2 sensor circuit, ECM malfunction. 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
P2059 Dodge indicates O2 Sensor Signal Circuit Signal Voltage Too High.
Common causes
Common causes include Faulty O2 sensor, Wiring issues in the O2 sensor circuit, ECM malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2059 Dodge Description

The P2059 diagnostic trouble code for Dodge vehicles indicates that the O2 (oxygen) sensor signal circuit is reporting a voltage that is too high. The O2 sensor plays a critical role in monitoring the oxygen levels in the exhaust gases and providing feedback to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. When the O2 sensor signal voltage is too high, it can lead to a variety of performance issues in the vehicle.

OBDII Code P2059 Dodge - O2 Sensor Signal Circuit Signal Voltage Too High
P2059 Dodge Code - O2 Sensor Signal Circuit Signal Voltage Too High

Common Causes of P2059 Dodge

  1. Faulty O2 sensor
  2. Wiring issues in the O2 sensor circuit
  3. ECM malfunction
  4. Exhaust system leaks
  5. Fuel system issues

Symptoms of P2059 Dodge

  1. Decreased fuel efficiency
  2. Engine misfires or hesitation
  3. Rough idling or stalling
  4. Increased emissions output
  5. Check engine light illuminated on the dashboard

How to Fix P2059 Dodge

  1. Diagnose the specific cause of the high voltage signal by performing O2 sensor testing and inspecting the wiring for any damage.
  2. Replace the faulty O2 sensor if it is determined to be the cause of the issue.
  3. Repair any wiring issues in the O2 sensor circuit.
  4. Test the ECM for proper functioning and reprogram if necessary.
  5. Clear the diagnostic trouble codes and reset the ECM to see if the issue has been resolved.

Cost to Fix P2059 Dodge

The typical repair costs for addressing a P2059 O2 Sensor Signal Circuit Signal Voltage Too High code can vary depending on the specific cause of the issue. In general, replacing a faulty O2 sensor can cost between $100 and $200 for the part, with additional labor costs ranging from $50 to $100. If wiring repairs or ECM reprogramming are necessary, these costs can increase accordingly. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more precise estimate.

When is the Code Detected?

The ECM has detected a plausibility fault with the O2 sensor signal

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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 P2059 Dodge Code

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