AutoCodes – RAM – P1297 RAM

P1297 RAM Code - No Change In MAP Sensor Voltage

Quick Answer

The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects no change in Manifold Absolute Pressure (MAP) sensor voltage. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Restricted Manifold Absolute Pressure Sensor, Manifold Absolute Pressure Sensor harness is open or shorted. 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: P1297 RAM indicates No Change In MAP Sensor Voltage.
Common causes: Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Restricted Manifold Absolute Pressure Sensor, Manifold Absolute Pressure Sensor harness is open or shorted.
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.

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Code Popularity 583

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 24, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1297 RAM Description

The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects no change in Manifold Absolute Pressure (MAP) sensor voltage. The too-small difference is seen between Barometric Pressure with ignition ON (Engine Running) and the manifold vacuum for more than 8.80 seconds.

OBDII Code P1297 RAM - No Change In MAP Sensor Voltage - AutoCodes.com — P1297 RAM Code - No Change In MAP Sensor Voltage

What does this mean?

What are the Possible Causes of the DTC P1297 RAM?

Faulty Manifold Absolute Pressure (MAP) Sensor
Restricted Manifold Absolute Pressure Sensor
Manifold Absolute Pressure Sensor harness is open or shorted
Manifold Absolute Pressure Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1297 RAM?

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 P1297 RAM 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 P1297 RAM Code

1. What are the common symptoms of OBDII code P1297 RAM No Change In MAP Sensor Voltage?

The common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.

2. What can cause the OBDII code P1297 RAM No Change In MAP Sensor Voltage?

The code P1297 typically indicates a problem with the MAP (Manifold Absolute Pressure) sensor circuit, such as a faulty sensor, damaged wiring, or a poor connection.

3. How can I diagnose the issue related to code P1297 RAM No Change In MAP Sensor Voltage?

Diagnosing the issue involves checking the MAP sensor for proper operation, inspecting the wiring harness for damage, and testing the voltage signal to identify the root cause.

4. What are some repair tips for addressing code P1297 RAM No Change In MAP Sensor Voltage?

Repair tips include replacing the MAP sensor if it is faulty, repairing any damaged wiring, cleaning electrical connections, and ensuring proper installation of components.

5. Can a dirty MAP sensor cause code P1297 RAM No Change In MAP Sensor Voltage?

Yes, a dirty or clogged MAP sensor can lead to incorrect voltage readings and trigger the P1297 code. Regular cleaning and maintenance of the sensor can help prevent this issue.

6. Is it safe to continue driving with OBDII code P1297 RAM No Change In MAP Sensor Voltage?

It is not recommended to drive with this code present, as it can lead to further engine problems and potential breakdowns. It is best to address the issue promptly.

7. How much does it typically cost to repair OBDII code P1297 RAM No Change In MAP Sensor Voltage?

The cost of repairing the P1297 code can vary depending on the root cause of the issue, but it generally ranges from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix OBDII code P1297 RAM No Change In MAP Sensor Voltage?

If you have experience working on automotive systems and access to the necessary tools, you may be able to address this code yourself by following repair guides and diagnostic procedures.

9. How long does it take to repair OBDII code P1297 RAM No Change In MAP Sensor Voltage?

The repair time for this code can vary based on the complexity of the issue and your level of expertise. It may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

10. Will resetting the OBDII system clear code P1297 RAM No Change In MAP Sensor Voltage?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is essential to diagnose and repair the root cause of the problem.