AutoCodes – Cadillac – P135E Cadillac

P135E Cadillac Code - Cooling Fan 3 Status Signals Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Cooling Fan 3, Cooling Fan 3 harness is open or shorted, Cooling Fan 3 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: P135E Cadillac indicates Cooling Fan 3 Status Signals Message Counter Incorrect.
Common causes: Common causes include Faulty Cooling Fan 3, Cooling Fan 3 harness is open or shorted, Cooling Fan 3 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 342

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 Sep 27, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P135E Cadillac Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Cooling Fan 3 Status Signals Message Counter is Incorrect.

OBDII Code P135E Cadillac - Cooling Fan 3 Status Signals Message Counter Incorrect - AutoCodes.com — P135E Cadillac Code - Cooling Fan 3 Status Signals Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P135E Cadillac?

Faulty Cooling Fan 3
Cooling Fan 3 harness is open or shorted
Cooling Fan 3 circuit poor electrical connection

How to Fix the DTC P135E 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 P135E 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 P135E Cadillac Code

1. What are the common symptoms of OBDII code P135E in a Cadillac related to Cooling Fan 3 Status Signals Message Counter Incorrect?

- Common symptoms include the cooling fan not operating properly, engine overheating, and illuminated check engine light.

2. What are the possible causes of OBDII code P135E in a Cadillac?

- Possible causes include a faulty cooling fan relay, wiring issues, a malfunctioning cooling fan motor, or a problem with the engine control module (ECM).

3. How can I diagnose the issue causing OBDII code P135E in a Cadillac?

- You can start by checking the cooling fan operation, inspecting the wiring and connectors, testing the cooling fan relay, and scanning the ECM for any related fault codes.

4. What are some repair tips for resolving OBDII code P135E in a Cadillac?

- Repair tips include replacing a faulty cooling fan relay, repairing damaged wiring or connectors, replacing a defective cooling fan motor, or reprogramming the ECM if needed.

5. Can driving with OBDII code P135E in a Cadillac cause further damage?

- Driving with this code may lead to engine overheating, which can cause severe damage to the engine components if not addressed promptly.

6. How urgent is it to fix OBDII code P135E in a Cadillac?

- It is important to address this issue promptly to prevent potential engine overheating and damage, so it is recommended to fix it as soon as possible.

7. Does clearing the error code P135E in a Cadillac reset the cooling fan system?

- Clearing the error code may temporarily reset the ECM, but it will not fix the underlying issue causing the cooling fan malfunction.

8. Can a DIY enthusiast repair OBDII code P135E in a Cadillac, or is professional help recommended?

- Depending on the cause of the issue, some repairs related to this code can be done by DIY enthusiasts, but complex problems may require professional assistance.

9. How can I prevent OBDII code P135E from occurring in my Cadillac in the future?

- Regular maintenance, such as inspecting the cooling system components and addressing any issues promptly, can help prevent the recurrence of this code.

10. Is it safe to drive my Cadillac with OBDII code P135E if the cooling fan is still working?

- It is not recommended to drive the vehicle with this code active, as it indicates an issue that could lead to engine overheating and potential damage, even if the cooling fan appears to be functioning.