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P00C7 Cadillac Code - Intake Air Pressure Measurement System Multiple Sensors Not Plausible

Quick Answer

The Intake Air Pressure Measurement System consists of (2) sensors, the Barometric Pressure (BARO) Sensor, and the Manifold Absolute Pressure (MAP) Sensor. Common causes include Faulty Barometric Pressure (BARO) Sensor, Barometric Pressure Sensor harness is open or shorted, Barometric Pressure Sensor 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
P00C7 Cadillac indicates Intake Air Pressure Measurement System Multiple Sensors Not Plausible.
Common causes
Common causes include Faulty Barometric Pressure (BARO) Sensor, Barometric Pressure Sensor harness is open or shorted, Barometric Pressure Sensor 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 1,569
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 15, 2022
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Code P00C7 Cadillac Description

The Intake Air Pressure Measurement System consists of (2) sensors, the Barometric Pressure (BARO) Sensor, and the Manifold Absolute Pressure (MAP) Sensor. The Diagnostic Trouble Code (DTC) will be set when the ECM detects an inconsistency between pressure sensors in the induction system in which a particular sensor cannot be identified as the failed sensor. The difference between them is greater than 10 kPa (1.5 PSI).
OBDII Code P00C7 Cadillac - Intake Air Pressure Measurement System Multiple Sensors Not Plausible - AutoCodes.com
P00C7 Cadillac Code - Intake Air Pressure Measurement System Multiple Sensors Not Plausible

What are the Possible Causes of the DTC P00C7 Cadillac?

  • Faulty Barometric Pressure (BARO) Sensor
  • Barometric Pressure Sensor harness is open or shorted
  • Barometric Pressure Sensor circuit poor electrical connection
  • Faulty Manifold Absolute Pressure (MAP) Sensor
  • Manifold Absolute Pressure Sensor harness is open or shorted
  • Manifold Absolute Pressure Sensor circuit poor electrical connection

How to Fix the DTC P00C7 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 P00C7 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.

Need more information about the P00C7 Cadillac code?

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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 P00C7 Cadillac Code

1. What are the common symptoms of OBDII code P00C7 in a Cadillac related to the Intake Air Pressure Measurement System?

- Common symptoms include reduced engine performance, rough idling, stalling, and potential loss of power.

2. What can cause the OBDII code P00C7 in a Cadillac to trigger the "Intake Air Pressure Measurement System Multiple Sensors Not Plausible" error?

- The code can be triggered by issues such as faulty intake air pressure sensors, wiring problems, or a malfunctioning engine control module (ECM).

3. How serious is the OBDII code P00C7 in a Cadillac, indicating an issue with the Intake Air Pressure Measurement System?

- Ignoring this code can lead to poor engine performance, decreased fuel efficiency, and potential damage to the engine over time. It is recommended to address the issue promptly.

4. What are some DIY repair tips for addressing the OBDII code P00C7 in a Cadillac related to the Intake Air Pressure Measurement System?

- DIY repair tips include checking and cleaning the intake air pressure sensors, inspecting the wiring for any damage, and ensuring proper connections. However, for complex issues, it is advisable to seek professional help.

5. Can resetting the OBDII code P00C7 in a Cadillac resolve the issue with the Intake Air Pressure Measurement System?

- Resetting the code may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem.

6. How can a mechanic diagnose the OBDII code P00C7 in a Cadillac indicating problems with the Intake Air Pressure Measurement System?

- A mechanic can use a diagnostic scanner to retrieve the specific error code, conduct a visual inspection of the sensors and wiring, perform voltage and resistance tests, and analyze live data to pinpoint the issue accurately.

7. Is it safe to continue driving a Cadillac with the OBDII code P00C7 related to the Intake Air Pressure Measurement System?

- While the vehicle may still be operable, driving with this code unresolved can lead to performance issues and potential engine damage. It is recommended to address the problem promptly to prevent further complications.

8. How much does it typically cost to repair the OBDII code P00C7 in a Cadillac linked to the Intake Air Pressure Measurement System?

- The cost of repair can vary depending on the root cause of the issue. It may range from a simple sensor replacement costing a few hundred dollars to more complex repairs involving wiring or ECM replacement, which can be more expensive.

9. Can extreme weather conditions or driving habits contribute to triggering the OBDII code P00C7 in a Cadillac related to the Intake Air Pressure Measurement System?

- Yes, extreme weather conditions, such as high humidity or temperature fluctuations, as well as aggressive driving habits, can potentially affect the sensors and trigger this error code. Regular maintenance and driving practices can help prevent such issues.

10. How long does it typically take to repair the OBDII code P00C7 in a Cadillac indicating an issue with the Intake Air Pressure Measurement System?

- The repair time can vary based on the complexity of the problem and the availability of parts. Simple fixes like sensor replacement may take a few hours, while more intricate repairs could require a day or more to complete.

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