P162C 2017 GMC Sierra Code - Vehicle Speed Limiting/Warning Switch Circuit
Quick Answer
The Cruise Control Switch is an input to the Body Control Module (BCM). Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch 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
- P162C 2017 GMC Sierra indicates Vehicle Speed Limiting/Warning Switch Circuit.
- Common causes
- Common causes include Faulty Cruise Control Switch, Cruise Control Switch harness is open or shorted, Cruise Control Switch 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 P162C 2017 GMC Sierra Description
What are the Possible Causes of the DTC P162C 2017 GMC Sierra?
- Faulty Cruise Control Switch
- Cruise Control Switch harness is open or shorted
- Cruise Control Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC P162C 2017 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 P162C 2017 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.
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Frequently Asked Questions about P162C 2017 GMC Sierra Code
1. What does OBDII code P162C mean on a 2017 GMC Sierra?
P162C indicates an issue with the Vehicle Speed Limiting/Warning Switch Circuit, which monitors and controls speed-related functions.
2. What are the symptoms of code P162C in a 2017 GMC Sierra?
Symptoms may include an illuminated check engine light, limited vehicle speed, or malfunctioning speed-related warning systems.
3. What causes the P162C code to appear?
Common causes include faulty wiring or connectors in the speed limiting circuit, a malfunctioning speed warning switch, or a failing vehicle control module.
4. Can a bad speed warning switch trigger code P162C?
Yes, a malfunctioning or damaged speed warning switch can cause this code to appear.
5. How do I diagnose code P162C in my GMC Sierra?
Start by inspecting the wiring and connectors for damage or corrosion, then test the speed warning switch and related circuits using a multimeter.
6. Is it safe to drive with the P162C code active?
Driving may be possible, but the vehicle’s speed may be limited, and certain safety systems may not function correctly, so it’s best to address the issue promptly.
7. How do I fix the P162C code on a 2017 GMC Sierra?
Repairs may involve replacing damaged wiring, repairing the speed warning switch, or reprogramming or replacing the vehicle control module.
8. Can a software update fix the P162C code?
In some cases, a software update to the vehicle’s control module may resolve the issue if it’s caused by a programming error.
9. Will clearing the code fix the P162C problem?
Clearing the code may temporarily turn off the check engine light, but the root cause must be repaired to prevent the code from returning.
10. How much does it cost to repair code P162C?
Repair costs vary depending on the root cause, ranging from $50 for a wiring fix to $500 or more for a module replacement.
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