AutoCodes – RAM – P0606 RAM

P0606 RAM Code - Internal Control Processor

Quick Answer

This fault code is activated when the internal diagnostics of the Powertrain Control Module (PCM) detect a read or write error within the module itself. Common causes include Faulty Powertrain Control Module (PCM), Engine or fuel modification that exceeds OEM specifications. 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: P0606 RAM indicates Internal Control Processor.
Common causes: Common causes include Faulty Powertrain Control Module (PCM), Engine or fuel modification that exceeds OEM specifications.
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 1,009

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 Jul 29, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0606 RAM Description

This fault code is activated when the internal diagnostics of the Powertrain Control Module (PCM) detect a read or write error within the module itself. The PCM promptly illuminates the Malfunction Indicator Lamp (MIL) light when the diagnostic test runs and fails. Conversely, the PCM will turn off the MIL light immediately after the diagnostic test runs successfully and passes. This specific fault code is solely caused by an internal issue in the PCM and could potentially prevent the engine from starting.

OBDII Code P0606 RAM - Internal Control Processor - AutoCodes.com — P0606 RAM Code - Internal Control Processor

What does this mean?

What are the Possible Causes of the DTC P0606 RAM?

Faulty Powertrain Control Module (PCM)
Engine or fuel modification that exceeds OEM specifications

How to Fix the DTC P0606 RAM?

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 does this mean?

Code Tech Notes

Check the Powertrain Control Module (PCM) fuse; if the fuse is OK, try erasing the code first. If the code returns, you may have to reprogram or replace the PCM.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0606 RAM 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 P0606 RAM Code

1. What does the OBDII code P0606 mean?

P0606 indicates an issue with the Engine Control Module (ECM) or Powertrain Control Module (PCM), specifically a fault in the internal control processor.

2. What are the common symptoms of a P0606 code?

Symptoms may include engine stalling, poor performance, difficulty starting, reduced fuel efficiency, and the check engine light being illuminated.

3. What causes the P0606 code to appear?

Common causes include a faulty ECM/PCM, power supply issues, damaged wiring, software corruption, or electrical interference.

4. Can a P0606 code cause drivability problems?

Yes, a P0606 code can result in significant drivability issues like stalling, poor throttle response, or the engine failing to run.

5. How is the P0606 code diagnosed?

A technician will inspect the ECM/PCM for physical damage, test the power and ground circuits, rule out wiring issues, and may update or reprogram the module.

6. Can I drive with a P0606 code?

Itâ€™s not recommended to drive with a P0606 code, as it could lead to unsafe conditions like engine stalling or reduced power.

7. Does the P0606 code always mean the ECM/PCM needs replacement?

Not always. It could be caused by wiring issues, software errors, or a temporary fault. Replacement is only necessary if the module is confirmed to be defective.

8. What tools are needed to troubleshoot a P0606 code?

Common tools include an OBDII scanner, multimeter for electrical testing, and sometimes a specialized device for ECM/PCM reprogramming.

9. How can I fix a P0606 code?

Repairs may involve replacing or reprogramming the ECM/PCM, repairing damaged wiring, or ensuring the power supply to the module is stable.

10. Is a P0606 code expensive to fix?

The cost varies depending on whether the ECM/PCM needs replacement or reprogramming. Repairs can range from $300 to over $1,000, including parts and labor.