AutoCodes – Cadillac – P0607 Cadillac

P0607 Cadillac Code - Control Module Performance

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the device. Common causes include Low battery voltage, Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module. 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
P0607 Cadillac indicates Control Module Performance.
Common causes
Common causes include Low battery voltage, Reprogram Powertrain Control Module (PCM), Faulty Powertrain Control Module.
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 817
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 26, 2021
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Code P0607 Cadillac Description

This diagnostic applies to internal microprocessor integrity conditions within the device. This diagnostic also addresses if the device is not programmed. The device monitors its ability to read and write to the memory. It also monitors a timing function. No external circuits are involved. The Diagnostic Trouble Code (DTC) will be set when the device detects an internal malfunction or incomplete programming.
OBDII Code P0607 Cadillac - Control Module Performance - AutoCodes.com
P0607 Cadillac Code - Control Module Performance

What are the Possible Causes of the DTC P0607 Cadillac?

  • Low battery voltage
  • Reprogram Powertrain Control Module (PCM)
  • Faulty Powertrain Control Module
  • Powertrain Control Module harness is open or shorted
  • Powertrain Control Module circuit poor electrical connection

How to Fix the DTC P0607 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 P0607 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 P0607 Cadillac Code

1. What does the OBDII code P0607 mean on a Cadillac?

P0607 indicates a "Control Module Performance" issue, meaning the Engine Control Module (ECM) has detected an internal malfunction.

2. What are common symptoms of code P0607 on a Cadillac?

Symptoms may include engine stalling, reduced performance, difficulty starting, or the check engine light illuminating.

3. What causes the P0607 code to appear on a Cadillac?

Common causes include a faulty ECM, software glitches, poor electrical connections, or issues with the vehicle's power supply or grounding.

4. Can a bad battery cause the P0607 code on a Cadillac?

Yes, a weak or failing battery can cause voltage issues that may trigger the P0607 code.

5. How is the P0607 code diagnosed on a Cadillac?

Diagnosis typically includes checking the ECM for faults, inspecting wiring and connections, testing the battery and alternator, and verifying ECM software updates.

6. Can I drive my Cadillac with a P0607 code?

Driving with a P0607 code is not recommended, as it may lead to engine stalling or other safety concerns.

7. How do I fix the P0607 code on my Cadillac?

Repairs may involve reprogramming or replacing the ECM, repairing damaged wiring, or ensuring a stable power supply.

8. Does the P0607 code always mean the ECM is bad?

No, the ECM may not always need replacing. The issue could stem from wiring problems, a failing battery, or software errors.

9. How much does it cost to repair the P0607 code on a Cadillac?

Costs vary but may range from $100 for software updates to $1,000 or more for ECM replacement, depending on the exact issue.

10. Can an aftermarket accessory cause the P0607 code on a Cadillac?

Yes, poorly installed aftermarket accessories can cause electrical interference, leading to the P0607 code.

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