AutoCodesGeneric – P1CCB

P1CCB Code - Excessive Hydraulic Fluid Leakage

Quick Answer

This diagnostic checks if the leakage of the hydraulic circuit is below an acceptable amount. Common causes include Transmission Hydraulic System, Transmission Mechanical Operation, Faulty Transmission Controller Module (TCM). 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
P1CCB indicates Excessive Hydraulic Fluid Leakage.
Common causes
Common causes include Transmission Hydraulic System, Transmission Mechanical Operation, Faulty Transmission Controller Module (TCM).
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 1,345
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 12, 2020
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Code P1CCB Description

This diagnostic checks if the leakage of the hydraulic circuit is below an acceptable amount. The purpose of this diagnostic is to protect the electro pump and to detect which hydraulic components are not working as expected. A small amount of leakage is normal due to the presence of electrovalves in the circuit. The Transmission Controller Module (TCM) uses leakage estimation models based upon fluid temperature, hydraulic pressure and electrovalves status. If the decrease in hydraulic pressure in a defined amount of time is greater than allowable, a leakage failure is detected. There are four leakage monitoring strategies used by this diagnostic: Circuit leakage with all electrovalves switched off. Odd clutch electrovalve leakage during regulation (switched on). Even clutch electrovalve leakage during regulation (switched on). Gate select electrovalve leakage during regulation (switched on).
OBDII Code P1CCB - Excessive Hydraulic Fluid Leakage - AutoCodes.com
P1CCB Code - Excessive Hydraulic Fluid Leakage

What are the Possible Causes of the DTC P1CCB?

  • Transmission Hydraulic System
  • Transmission Mechanical Operation
  • Faulty Transmission Controller Module (TCM)

How to Fix the DTC P1CCB?

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 P1CCB 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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Information for Specific Makes

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 P1CCB Code

1. What does the OBDII code P1CCB mean?

P1CCB indicates "Excessive Hydraulic Fluid Leakage," often related to the hydraulic system in automatic transmissions or other hydraulic components.

2. What are the common symptoms of code P1CCB?

Symptoms include poor transmission performance, slipping gears, delayed shifting, visible fluid leaks, or a warning light on the dashboard.

3. What causes the P1CCB code to appear?

This code is typically caused by worn seals, damaged hydraulic lines, low fluid levels, or a failing hydraulic pump.

4. Can I drive with the P1CCB code active?

Driving with this code is not recommended, as it can lead to severe transmission damage or unsafe driving conditions.

5. How do I diagnose the P1CCB code?

Inspect the hydraulic fluid levels and condition, check for visible leaks, and use a diagnostic scan tool to confirm the code and examine related systems.

6. What should I do if I see hydraulic fluid leaking under my vehicle?

Stop driving immediately and inspect the source of the leak. Addressing the issue promptly can prevent further damage.

7. How can I fix the P1CCB code?

Repairs may include replacing worn seals, repairing or replacing damaged hydraulic lines, and refilling or flushing the hydraulic fluid.

8. Is it necessary to replace the hydraulic fluid when fixing the P1CCB code?

Yes, replacing or flushing the hydraulic fluid is often necessary to ensure the system operates correctly and to remove contaminants.

9. What tools are needed to troubleshoot the P1CCB code?

You may need a diagnostic scan tool, a hydraulic system pressure tester, and basic tools to check for leaks or replace components.

10. How much does it cost to repair the P1CCB code?

Repair costs vary depending on the extent of the damage, but minor repairs like seal replacement can cost $100–$300, while major repairs involving the transmission system may exceed $1,000.

Discuss the causes and fixes for P1CCB OBDII Code

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