B0997 2018 GMC Sierra Code - Auxiliary Electronic Control Unit Performance
Quick Answer
The Info Display Module monitors itself for internal failures and reports its condition to the Human Machine Interface Control Module when requested. Common causes include Faulty Info Display Module (Radio Controls) (Radio Assembly), Info Display Module harness is open or shorted, Info Display 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
- B0997 2018 GMC Sierra indicates Auxiliary Electronic Control Unit Performance.
- Common causes
- Common causes include Faulty Info Display Module (Radio Controls) (Radio Assembly), Info Display Module harness is open or shorted, Info Display 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 B0997 2018 GMC Sierra Description
*The Info Display Module and radio controls can be separate components from the radio or combined with the radio into one assembly.
What are the Possible Causes of the DTC B0997 2018 GMC Sierra?
- Faulty Info Display Module (Radio Controls) (Radio Assembly)
- Info Display Module harness is open or shorted
- Info Display Module circuit poor electrical connection
How to Fix the DTC B0997 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 B0997 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.
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Frequently Asked Questions about B0997 2018 GMC Sierra Code
1. What does the OBDII code B0997 mean on a 2018 GMC Sierra?
B0997 indicates an issue with the Auxiliary Electronic Control Unit (ECU) performance, typically related to improper functionality or communication.
2. What are the common symptoms of code B0997 on a 2018 GMC Sierra?
Symptoms may include warning lights on the dashboard, malfunctioning auxiliary features (like heated seats or mirrors), or intermittent electrical issues.
3. What causes the B0997 code on a GMC Sierra?
Common causes include faulty wiring or connections, a malfunctioning auxiliary ECU, or software glitches in the control module.
4. Can a blown fuse trigger the B0997 code?
Yes, a blown fuse related to the auxiliary circuits can lead to this code by interrupting power to the auxiliary ECU.
5. How do you diagnose the B0997 code on a 2018 GMC Sierra?
Diagnosis involves scanning for codes, inspecting wiring and connectors for damage, testing power and ground circuits, and verifying ECU functionality.
6. Can a loose connection cause the B0997 code?
Yes, loose or corroded connections in the auxiliary ECU harness can cause communication or performance issues, triggering the code.
7. Is the B0997 code serious?
While it may not immediately affect drivability, it can disrupt auxiliary functions, and ignoring it could lead to further electrical problems.
8. How do you fix the B0997 code on a GMC Sierra?
Repairs may include securing or replacing damaged wiring, resetting the ECU, or replacing the auxiliary control unit if it's defective.
9. Can disconnecting the battery clear the B0997 code?
Disconnecting the battery might temporarily clear the code, but it won’t fix the underlying issue causing the fault.
10. How much does it cost to repair the B0997 code on a 2018 GMC Sierra?
Costs vary depending on the issue but can range from $50 for simple wiring repairs to over $500 if the auxiliary ECU needs replacement.
Discuss the causes and fixes for B0997 2018 GMC Sierra OBDII Code
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