AutoCodesCadillac – P0701 Cadillac

P0701 Cadillac Code - Transmission Control System Performance

Quick Answer

The transmission fluid pressure switch, also known as the pressure switch manifold, is a multiple switch assembly made up of 3 normally open pressure switches and 1 normally closed pressure switch, which monitors the position of the 3 shift valves and manual selector valve. 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
P0701 Cadillac indicates Transmission Control System Performance.
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 515
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 20, 2022
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Code P0701 Cadillac Description

The transmission fluid pressure switch, also known as the pressure switch manifold, is a multiple switch assembly made up of 3 normally open pressure switches and 1 normally closed pressure switch, which monitors the position of the 3 shift valves and manual selector valve. The Transmission Control Module (TCM) supplies a signal circuit to each of the pressure switches. The pressure switches are grounded through the transmission fluid pressure switch base and transmission case. The Diagnostic Trouble Code (DTC) sets when the pressure switches indicate no pressure.
OBDII Code P0701 Cadillac - Transmission Control System Performance - AutoCodes.com
P0701 Cadillac Code - Transmission Control System Performance

What are the Possible Causes of the DTC P0701 Cadillac?

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission Control Module circuit poor electrical connection
  • Faulty Transmission Fluid Pressure Switch

How to Fix the DTC P0701 Cadillac?

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 P0701 Cadillac 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 P0701 Cadillac Code

1. What does the OBDII code P0701 mean on a Cadillac?

P0701 indicates a problem with the transmission control system's performance, signaling that the system is operating outside its intended parameters.

2. What are the symptoms of code P0701 on a Cadillac?

Common symptoms include transmission slipping, erratic shifting, decreased fuel efficiency, and the Check Engine Light being illuminated.

3. What causes code P0701 on a Cadillac?

Causes can include faulty transmission control module (TCM), transmission fluid issues, damaged wiring or connectors, or internal transmission problems.

4. Can low transmission fluid cause code P0701 on a Cadillac?

Yes, insufficient transmission fluid or contaminated fluid can lead to poor transmission performance and trigger this code.

5. How do you diagnose code P0701 on a Cadillac?

Diagnosis involves checking transmission fluid levels, inspecting wiring and connectors, scanning for other related codes, and testing the transmission control module.

6. Can driving with code P0701 damage my Cadillac’s transmission?

Yes, ignoring this code can lead to further damage to the transmission, potentially resulting in costly repairs.

7. How do you fix code P0701 on a Cadillac?

Repairs may include replacing the transmission control module, repairing wiring issues, flushing and refilling transmission fluid, or addressing internal transmission damage.

8. Is code P0701 on a Cadillac related to the transmission control module?

Yes, a malfunctioning transmission control module is a common cause of this code.

9. How much does it cost to repair code P0701 on a Cadillac?

Repair costs vary depending on the cause but can range from $100 for a fluid change to $1,000+ for TCM replacement or internal transmission repairs.

10. Can a dirty transmission filter cause code P0701 on a Cadillac?

Yes, a clogged transmission filter can restrict fluid flow, leading to poor transmission performance and triggering this code.

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