AutoCodesGMC – B0560 2015 GMC Sierra

B0560 2015 GMC Sierra Code - Engine RPM Input Circuit Signal Invalid

Quick Answer

The Audio Amplifier receives a discrete pulse-width modulated engine speed signal from the Engine Control Module. Common causes include Faulty Audio Amplifier, Audio Amplifier harness is open or shorted, Audio Amplifier 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
B0560 2015 GMC Sierra indicates Engine RPM Input Circuit Signal Invalid.
Common causes
Common causes include Faulty Audio Amplifier, Audio Amplifier harness is open or shorted, Audio Amplifier 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 239
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 16, 2022
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Code B0560 2015 GMC Sierra Description

The Audio Amplifier receives a discrete pulse-width modulated engine speed signal from the Engine Control Module. The Audio Amplifier uses the engine RPM signal for operating active noise cancellation. The Diagnostic Trouble Code (DTC) will be set when the discrete engine speed signal to the Audio Amplifier indicates the engine speed is less than 300 RPM or greater than 9000 RPM.
OBDII Code B0560 2015 GMC Sierra - Engine RPM Input Circuit Signal Invalid - AutoCodes.com
B0560 2015 GMC Sierra Code - Engine RPM Input Circuit Signal Invalid

What are the Possible Causes of the DTC B0560 2015 GMC Sierra?

  • Faulty Audio Amplifier
  • Audio Amplifier harness is open or shorted
  • Audio Amplifier circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC B0560 2015 GMC Sierra?

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 B0560 2015 GMC Sierra 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 B0560 2015 GMC Sierra code?

Need more information on how to fix the B0560 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the 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 B0560 2015 GMC Sierra Code

1. What does OBDII code B0560 mean on a 2015 GMC Sierra?

Code B0560 indicates an issue with the Engine RPM Input Circuit, specifically that the signal being received is invalid or outside the expected range.

2. What are the common symptoms of code B0560 in a 2015 GMC Sierra?

Symptoms may include erratic engine RPM readings, reduced performance, potential stalling, or the illumination of the check engine light or other warning lights.

3. What causes code B0560 in a GMC Sierra?

Common causes include a faulty crankshaft position sensor, damaged wiring or connectors in the RPM input circuit, or an issue with the vehicle’s engine control module (ECM).

4. Can a dirty or damaged crankshaft position sensor cause code B0560?

Yes, a dirty, damaged, or failing crankshaft position sensor is a frequent cause of this code, as it plays a key role in providing the engine RPM signal.

5. How do you diagnose code B0560 on a 2015 GMC Sierra?

Diagnosis typically involves using a scan tool to confirm the code, inspecting the crankshaft position sensor and its wiring, and testing the signal at the sensor and ECM.

6. Can a loose or corroded connector trigger code B0560?

Yes, loose, corroded, or damaged connectors in the RPM input circuit can disrupt the signal and trigger this code.

7. Is it safe to drive a 2015 GMC Sierra with code B0560?

While the vehicle may still run, driving with this code can lead to poor performance, stalling, and potential engine damage. It is best to address the issue promptly.

8. How is code B0560 fixed on a 2015 GMC Sierra?

Repairs may involve replacing the crankshaft position sensor, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the ECM if it is faulty.

9. Can a weak battery or electrical issue cause code B0560?

Yes, voltage irregularities or a weak battery can interfere with the RPM input signal and potentially trigger this code.

10. How much does it cost to fix code B0560 on a 2015 GMC Sierra?

Repair costs vary depending on the issue. Replacing a crankshaft position sensor typically costs $150–$300, while ECM repairs or replacements can be more expensive.

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