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P16F2 Cadillac Code - Control Module Transmission Direction Range Switch

Quick Answer

The P16F2 diagnostic trouble code (DTC) for Cadillac vehicles refers to an issue with the Control Module Transmission Direction Range Switch. Common causes include Faulty transmission range sensor, Wiring or connector issues, Corrosion or damage to sensor components. 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
P16F2 Cadillac indicates Control Module Transmission Direction Range Switch.
Common causes
Common causes include Faulty transmission range sensor, Wiring or connector issues, Corrosion or damage to sensor components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P16F2 Cadillac Description

The P16F2 diagnostic trouble code (DTC) for Cadillac vehicles refers to an issue with the Control Module Transmission Direction Range Switch. This code indicates that there is a problem with the transmission range sensor, which is responsible for informing the vehicle's control module about the position of the gear selector. The transmission range sensor plays a crucial role in ensuring that the transmission shifts correctly and that the vehicle starts only in the correct gear range.

OBDII Code P16F2 Cadillac - Control Module Transmission Direction Range Switch
P16F2 Cadillac Code - Control Module Transmission Direction Range Switch

Common Causes of P16F2 Cadillac

  1. Faulty transmission range sensor
  2. Wiring or connector issues
  3. Corrosion or damage to sensor components
  4. Control module malfunction

Symptoms of P16F2 Cadillac

  1. Difficulty starting the vehicle
  2. Erratic shifting patterns
  3. Harsh shifts
  4. Transmission getting stuck in a particular gear

How to Fix P16F2 Cadillac

  1. Diagnose the issue by using a scan tool to retrieve the DTC and inspecting the transmission range sensor and related components.
  2. Replace the faulty transmission range sensor if it is determined to be the cause of the problem.
  3. Check and repair any damaged wiring or connectors associated with the sensor.
  4. Clear the DTC from the vehicle's memory using the scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the transmission is functioning correctly.

Cost to Fix P16F2 Cadillac

The typical repair costs for addressing the P16F2 code can vary depending on the extent of the issue and the specific components that need to be replaced. In general, replacing a transmission range sensor can cost between $150 and $300, including parts and labor. However, additional costs may apply if there are wiring or connector issues that need to be addressed. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle model.

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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 P16F2 Cadillac Code

1. What does the OBDII code P16F2 mean on a Cadillac?

Code P16F2 indicates an issue with the Control Module Transmission Direction Range Switch, which monitors the gear position selected by the driver.

2. What are the symptoms of a P16F2 code on a Cadillac?

Common symptoms include erratic or incorrect gear shifting, the transmission stuck in a single gear, or the Check Engine Light being illuminated.

3. What causes the P16F2 code to appear?

This code is typically caused by a faulty transmission range switch, damaged wiring or connectors, or a malfunction in the control module.

4. Can I drive my Cadillac with a P16F2 code?

Driving with a P16F2 code is not recommended, as it may lead to improper transmission operation and potential damage over time.

5. How is the P16F2 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the transmission range switch, and check the wiring and connectors for damage or corrosion.

6. Is the P16F2 code serious?

Yes, it can be serious. If the transmission is not functioning properly, it can lead to unsafe driving conditions or further damage to the vehicle.

7. How do you fix a P16F2 code on a Cadillac?

Repairs may include replacing the transmission range switch, repairing damaged wiring, or reprogramming or replacing the control module.

8. What tools are needed to address a P16F2 code?

A diagnostic scan tool, multimeter, and basic mechanic tools are typically required to diagnose and fix the issue.

9. Can a faulty battery cause the P16F2 code?

While unlikely, a weak or faulty battery can sometimes cause electrical issues that may trigger this code. Testing the battery is a good precaution.

10. How much does it cost to fix a P16F2 code on a Cadillac?

The cost depends on the specific repair needed but typically ranges from $200 to $600, including parts and labor.

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