AutoCodesChrysler – P0237 Chrysler

P0237 Chrysler Code - MAP Sensor Voltage Too Low

Quick Answer

The Manifold Air Pressure (MAP) sensor voltage is monitored when the engine speed is more than 416 RPM, but less than 3520 RPM and battery voltage is more than 10.4 volts. Common causes include Faulty Manifold Air Pressure (MAP) sensor, Manifold Air Pressure sensor harness is open or shorted, Manifold Air Pressure 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
P0237 Chrysler indicates MAP Sensor Voltage Too Low.
Common causes
Common causes include Faulty Manifold Air Pressure (MAP) sensor, Manifold Air Pressure sensor harness is open or shorted, Manifold Air Pressure 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 10,624
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 05, 2020
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0237 Chrysler Description

The Manifold Air Pressure (MAP) sensor voltage is monitored when the engine speed is more than 416 RPM, but less than 3520 RPM and battery voltage is more than 10.4 volts. The Diagnostic Trouble Code (DTC) may be stored if the Engine Control Module (ECM) senses MAP sensor signal voltage is less than .1 volt for 2 seconds with the engine running.
OBDII Code P0237 Chrysler - MAP Sensor Voltage Too Low - AutoCodes.com
P0237 Chrysler Code - MAP Sensor Voltage Too Low

What are the Possible Causes of the DTC P0237 Chrysler?

  • Faulty Manifold Air Pressure (MAP) sensor
  • Manifold Air Pressure sensor harness is open or shorted
  • Manifold Air Pressure sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0237 Chrysler?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0237 Chrysler 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.

Need more information about the P0237 Chrysler code?

Need more information on how to fix the P0237 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0237 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 P0237 Chrysler Code

1. What does the OBDII code P0237 mean for a Chrysler vehicle?

P0237 indicates that the manifold absolute pressure (MAP) sensor is reporting a voltage that is too low, suggesting an issue with the sensor or its related circuitry.

2. What are the common symptoms of P0237 in a Chrysler?

Symptoms may include poor engine performance, reduced fuel efficiency, hesitation during acceleration, black smoke from the exhaust, or a check engine light.

3. What causes the MAP sensor voltage to be too low on a Chrysler?

Common causes include a faulty MAP sensor, damaged wiring or connectors, vacuum leaks, or issues with the engine control unit (ECU).

4. Can driving with a P0237 code damage my Chrysler?

Driving with this code can lead to poor engine performance and potentially damage other components due to incorrect air-fuel mixture. It’s best to address the issue promptly.

5. How can I diagnose the P0237 code in my Chrysler?

Start by inspecting the MAP sensor and its wiring for damage or disconnections. Use a multimeter to check voltage readings, and perform a vacuum test to rule out leaks.

6. How do I fix the P0237 code on a Chrysler?

Repairs may involve replacing the MAP sensor, repairing or replacing damaged wiring, fixing vacuum leaks, or updating the ECU software if necessary.

7. What tools are needed to address a P0237 code?

You may need an OBDII scanner, a multimeter, a vacuum gauge, and basic hand tools to inspect and repair the MAP sensor and related components.

8. How much does it cost to fix the P0237 code on a Chrysler?

Costs vary depending on the problem. Replacing a MAP sensor typically costs $50-$200, while wiring or vacuum system repairs may add labor expenses.

9. Can a dirty MAP sensor cause the P0237 code on a Chrysler?

Yes, a dirty or clogged MAP sensor can report incorrect voltage levels. Cleaning the sensor may resolve the issue if contamination is the cause.

10. Is the P0237 code specific to Chrysler vehicles?

No, P0237 is a generic OBDII code that can appear in many makes and models, but its specific diagnosis and repair steps may vary depending on the vehicle.

Discuss the causes and fixes for P0237 Chrysler OBDII Code

Code P0237 Chrysler comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play