AutoCodesCadillac – P2736 Cadillac

P2736 Cadillac Code - Transmission Control Solenoid Valve 6 Control Circuit Open

Quick Answer

The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve. 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
P2736 Cadillac indicates Transmission Control Solenoid Valve 6 Control Circuit Open.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Transmission Control Solenoid Valve.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 330
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code P2736 Cadillac Description

The Transmission Control Solenoid Valve Solenoid Valve is an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. As current flow is increased, the magnetic field produced by the coil moves the solenoid’s plunger further away from the exhaust port. Opening the exhaust port decreases the output fluid pressure regulated by the Transmission Control Solenoid Valve, which ultimately decreases line pressure. The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM). The Diagnostic Trouble Code (DTC) is set when the Transmission Control Solenoid Valve Control Circuit commanded state does not match the actual state for greater than 1 s.
OBDII Code P2736 Cadillac - Transmission Control Solenoid Valve 6 Control Circuit Open - AutoCodes.com
P2736 Cadillac Code - Transmission Control Solenoid Valve 6 Control Circuit Open

What are the Possible Causes of the DTC P2736 Cadillac?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty Transmission Control Solenoid Valve
  • Transmission Control Solenoid Valve harness is open or shorted
  • Transmission Control Solenoid Valve circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

How to Fix the DTC P2736 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 P2736 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 P2736 Cadillac Code

1. What does the OBDII code P2736 mean on a Cadillac?

P2736 indicates an open circuit issue in the control circuit for Transmission Control Solenoid Valve 6, which can affect gear shifting and transmission performance.

2. What are the common symptoms of code P2736 on a Cadillac?

Symptoms may include harsh or delayed shifting, inability to shift into certain gears, transmission slipping, or the vehicle entering limp mode.

3. What causes the P2736 code to appear on a Cadillac?

Common causes include a faulty transmission control solenoid, damaged or corroded wiring, poor electrical connections, or a malfunctioning transmission control module (TCM).

4. Can I drive my Cadillac with the P2736 code?

Driving with this code is not recommended, as it can cause further transmission damage, lead to reduced performance, or result in unsafe driving conditions.

5. How do I diagnose the P2736 code on a Cadillac?

Diagnosis typically involves scanning the transmission system for codes, inspecting the wiring and connectors for damage, and testing the solenoid and control circuit with a multimeter.

6. How much does it cost to fix the P2736 code on a Cadillac?

Repair costs can vary depending on the issue but may range from $150 to $500 for solenoid replacement and higher if there are wiring or TCM issues.

7. Can a low transmission fluid level trigger the P2736 code?

Low transmission fluid may not directly cause the code but can lead to overheating or inadequate pressure, which might contribute to solenoid or circuit issues.

8. How is the Transmission Control Solenoid Valve 6 repaired for code P2736?

Repairs may involve replacing the faulty solenoid, repairing damaged wiring or connectors, or reprogramming or replacing the TCM if necessary.

9. Could a blown fuse cause the P2736 code on a Cadillac?

Yes, a blown fuse in the transmission control system could interrupt the circuit and trigger the P2736 code.

10. Does clearing the P2736 code with a scanner fix the problem?

Clearing the code may temporarily reset the check engine light, but the underlying issue must be repaired to prevent the code from returning.

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