AutoCodes – RAM – U1437 RAM

U1437 RAM Code - Implausible Intake Air Temperature Message Recieved

Quick Answer

This message is used by the Transmission Control Module (TCM) in the transmission temperature sensor and transmission fluid temperature sensor performance detections. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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: U1437 RAM indicates Implausible Intake Air Temperature Message Recieved.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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.

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Code Popularity 1,736

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1437 RAM Description

This message is used by the Transmission Control Module (TCM) in the transmission temperature sensor and transmission fluid temperature sensor performance detections. The Diagnostic Trouble Code (DTC) sets when the message is not received or stays unchanged for 10.5 seconds or more for two consecutive ignition cycles.

OBDII Code U1437 RAM - Implausible Intake Air Temperature Message Recieved - AutoCodes.com — U1437 RAM Code - Implausible Intake Air Temperature Message Recieved

What does this mean?

What are the Possible Causes of the DTC U1437 RAM?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U1437 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 U1437 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.

Need more information about the U1437 RAM code?

Need more information on how to fix the U1437 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1437 RAM 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 U1437 RAM Code

1. What are the common symptoms of OBDII code U1437 RAM: Implausible Intake Air Temperature Message Received?

- Common symptoms include poor engine performance, rough idling, stalling, and a decrease in fuel efficiency.

2. What are the possible causes of OBDII code U1437 RAM?

- Possible causes include a faulty intake air temperature sensor, wiring issues, software glitches, or a problem with the engine control module.

3. How can I diagnose the issue related to code U1437 RAM?

- Diagnosing the issue involves using an OBDII scanner to retrieve the code, checking the intake air temperature sensor for proper operation, and inspecting the wiring for any damage or loose connections.

4. Can I continue driving my vehicle with the U1437 RAM code present?

- It is not recommended to continue driving with this code present as it can lead to further damage to the engine and potentially worsen the symptoms.

5. How can I repair OBDII code U1437 RAM?

- Repairing this code may involve replacing the intake air temperature sensor, repairing any damaged wiring, updating the engine control module software, or resetting the code after fixing the underlying issue.

6. Is it possible to reset the U1437 RAM code without fixing the root cause?

- While you can clear the code temporarily, it is not recommended to do so without addressing the root cause, as the issue may persist and trigger the code again.

7. Can extreme weather conditions trigger code U1437 RAM?

- Yes, extreme weather conditions such as very hot or very cold temperatures can affect the intake air temperature sensor readings and potentially trigger this code.

8. How long does it typically take to repair OBDII code U1437 RAM?

- The repair time can vary depending on the underlying cause, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the issue.

9. Will replacing the intake air temperature sensor fix code U1437 RAM?

- In many cases, replacing the intake air temperature sensor resolves the issue, but it's important to diagnose the problem accurately to ensure a proper fix.

10. Can a DIY enthusiast fix OBDII code U1437 RAM at home?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair the issue causing code U1437 RAM at home. However, if in doubt, it's best to consult a professional mechanic.