P0237 Dodge Code - MAP Sensor Too High Too Long
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 Dodge indicates MAP Sensor Too High Too Long.
- 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.
Code P0237 Dodge Description
What are the Possible Causes of the DTC P0237 Dodge?
- 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 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 P0237 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 P0237 Dodge Code
1. What does the OBDII code P0237 mean on a Dodge vehicle?
P0237 indicates that the Engine Control Module (ECM) has detected a low voltage signal from the MAP (Manifold Absolute Pressure) sensor, which is interpreted as a "too high too long" condition.
2. What are common symptoms of the P0237 code in a Dodge?
Symptoms may include poor engine performance, reduced power, rough idling, black smoke from the exhaust, and potentially triggering the check engine light.
3. What causes the P0237 code to appear in Dodge vehicles?
Common causes include a faulty MAP sensor, wiring issues such as shorts or open circuits, vacuum leaks, or a defective ECM.
4. Can a dirty air filter cause the P0237 code in a Dodge?
While unlikely, a severely clogged air filter can indirectly contribute to MAP sensor issues by affecting airflow, but it’s not a primary cause of the P0237 code.
5. How do I diagnose a P0237 code in my Dodge?
Start by inspecting the MAP sensor and its wiring for damage or disconnections, check for vacuum leaks, and use a multimeter to test the voltage signal from the sensor.
6. Can I drive my Dodge with a P0237 code?
It’s not recommended to drive long distances with this code, as it can lead to poor engine performance, reduced fuel efficiency, and potential engine damage.
7. How do I fix the P0237 code in a Dodge vehicle?
Repairs may include replacing the MAP sensor, repairing faulty wiring, fixing vacuum leaks, or reprogramming/updating the ECM if necessary.
8. How much does it cost to repair a P0237 code in a Dodge?
The cost can range from $50 to $300, depending on whether the MAP sensor needs replacement or if other issues like wiring repairs are involved.
9. Can a bad MAP sensor cause the P0237 code?
Yes, a malfunctioning MAP sensor is one of the most common causes of the P0237 code.
10. Does clearing the P0237 code solve the problem in a Dodge?
Clearing the code will reset the check engine light temporarily, but the underlying issue must be fixed to prevent the code from returning.
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