P153C 2014 GMC Sierra Code - Engine Speed Signal Message Counter Incorrect
Quick Answer
The diagnostic trouble code P153C for a 2014 GMC Sierra indicates that the Engine Speed Signal Message Counter is incorrect. Common causes include Faulty engine speed sensor, Wiring issues (shorts, opens, or damaged wires), Malfunctioning ECM or TCM. 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 2014 GMC Sierra indicates Engine Speed Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty engine speed sensor, Wiring issues (shorts, opens, or damaged wires), Malfunctioning ECM or TCM.
- 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 P153C 2014 GMC Sierra Description
The diagnostic trouble code P153C for a 2014 GMC Sierra indicates that the Engine Speed Signal Message Counter is incorrect. This code typically points to an issue with the communication between the engine control module (ECM) and the transmission control module (TCM). The ECM and TCM rely on accurate engine speed signals to ensure proper gear shifting and overall vehicle performance. When the message counter is incorrect, it means that the ECM is not receiving the expected number of signals from the engine speed sensor within a specific timeframe.
Common Causes of P153C 2014 GMC Sierra
- Faulty engine speed sensor
- Wiring issues (shorts, opens, or damaged wires)
- Malfunctioning ECM or TCM
- Poor connection between ECM and TCM
- Software glitches in the control modules
Symptoms of P153C 2014 GMC Sierra
- Erratic shifting
- Hesitation during acceleration
- Rough idling
- Stalling
- Limp mode activation
How to Fix P153C 2014 GMC Sierra
- Perform a thorough diagnostic scan to retrieve the trouble codes and pinpoint the exact cause of the issue.
- Inspect the engine speed sensor and its wiring for any signs of damage or malfunction. Replace the sensor if necessary.
- Check the connections between the ECM and TCM for corrosion or loose connections. Clean or tighten as needed.
- Update the software in the control modules to the latest version to address any potential glitches.
- Clear the trouble codes and perform a road test to ensure that the issue has been resolved.
Cost to Fix P153C 2014 GMC Sierra
The typical repair costs for addressing the P153C code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty engine speed sensor can cost between $100 and $200, while addressing wiring issues or connection problems may range from $50 to $150. If a software update is required, it could add an additional $50 to $100 to the total repair bill. Labor costs at auto repair shops typically range from $80 to $150 per hour, so the total cost can add up based on the time required for diagnosis and repair. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle.
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Frequently Asked Questions about P153C 2014 GMC Sierra Code
1. What does the OBDII code P153C mean for a 2014 GMC Sierra?
P153C indicates an issue with the engine speed signal message counter, which means the engine control module (ECM) is receiving inconsistent or incorrect data related to engine speed.
2. What are the common symptoms of code P153C in a 2014 GMC Sierra?
Symptoms may include the check engine light turning on, erratic engine performance, poor acceleration, or issues with the transmission shifting properly.
3. What causes the P153C code to appear in a 2014 GMC Sierra?
Common causes include faulty crankshaft position sensors, a malfunctioning ECM, damaged wiring or connectors in the engine speed circuit, or communication issues between control modules.
4. Can I continue driving my 2014 GMC Sierra with the P153C code?
While the truck may still function, driving with this code could lead to performance issues or further damage. It’s recommended to address the issue promptly.
5. How do I diagnose the P153C code on a 2014 GMC Sierra?
Start by scanning for additional codes, inspecting the crankshaft position sensor and its wiring, and checking for communication errors between the ECM and other modules.
6. How do I fix the P153C code in a 2014 GMC Sierra?
Repairs may involve replacing a faulty crankshaft position sensor, repairing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary.
7. Can a dead battery cause the P153C code on a 2014 GMC Sierra?
A weak or dead battery can sometimes cause voltage fluctuations, potentially leading to communication errors, but it’s not usually the primary cause of this specific code.
8. Will clearing the P153C code solve the problem on a 2014 GMC Sierra?
Clearing the code may turn off the check engine light temporarily, but if the underlying issue isn’t fixed, the code will likely return.
9. How much does it cost to repair the P153C code on a 2014 GMC Sierra?
Repair costs vary depending on the cause but can range from $150 for a sensor replacement to $1,000 or more if the ECM needs replacement or reprogramming.
10. Can a faulty crankshaft position sensor trigger the P153C code in a 2014 GMC Sierra?
Yes, a failing crankshaft position sensor is one of the most common causes of this code, as it provides critical engine speed data to the ECM.
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