P153C 2018 GMC Sierra Code - Engine Speed Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module 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
- P153C 2018 GMC Sierra indicates Engine Speed Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module 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.
Code P153C 2018 GMC Sierra Description
What are the Possible Causes of the DTC P153C 2018 GMC Sierra?
- Faulty Engine Control Module (ECM)
- Engine Control Module harness is open or shorted
- Engine Control Module circuit poor electrical connection
How to Fix the DTC P153C 2018 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 P153C 2018 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 P153C 2018 GMC Sierra code?
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Frequently Asked Questions about P153C 2018 GMC Sierra Code
1. What does the OBDII code P153C mean on a 2018 GMC Sierra?
P153C indicates that the Engine Control Module (ECM) has detected an issue with the engine speed signal message counter, which may be incorrect or inconsistent.
2. What are common symptoms of the P153C code on a 2018 GMC Sierra?
Symptoms may include a check engine light, erratic engine performance, reduced power, or difficulty accelerating smoothly.
3. What causes the P153C code to appear on a 2018 GMC Sierra?
Common causes include a faulty crankshaft position sensor, damaged wiring or connectors, a malfunctioning ECM, or communication issues between control modules.
4. Can the P153C code cause drivability issues in a 2018 GMC Sierra?
Yes, the code can cause drivability issues such as engine hesitation, rough idling, or reduced performance due to incorrect engine speed data.
5. How is the P153C code diagnosed on a 2018 GMC Sierra?
A technician will use a scan tool to confirm the code, inspect wiring and connectors, check the crankshaft position sensor, and test for proper communication between modules.
6. Can a bad crankshaft position sensor trigger the P153C code?
Yes, a malfunctioning or failing crankshaft position sensor is one of the primary causes of the P153C code.
7. Is the P153C code serious on a 2018 GMC Sierra?
While the vehicle may still be drivable, the code can lead to reduced performance or further engine problems if not addressed promptly.
8. How do you fix the P153C code on a 2018 GMC Sierra?
Repairs may involve replacing a faulty crankshaft position sensor, repairing damaged wiring or connectors, reprogramming or replacing the ECM, or addressing module communication issues.
9. Can clearing the P153C code resolve the issue on a 2018 GMC Sierra?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
10. Should I take my 2018 GMC Sierra to a professional for the P153C code?
Yes, due to the complexity of diagnosing communication and sensor issues, it is recommended to have a qualified technician address the problem.
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