B1168 Honda Code - Gauge Control Module Lost Communication With PCM
Quick Answer
The Gauge Control Module monitors the Powertrain Control Module (PCM). Common causes include Faulty Powertrain Control Module (PCM), Faulty Gauge Control Module, Gauge Control Module harness is open or shorted. 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
- B1168 Honda indicates Gauge Control Module Lost Communication With PCM.
- Common causes
- Common causes include Faulty Powertrain Control Module (PCM), Faulty Gauge Control Module, Gauge Control Module harness is open or shorted.
- 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 B1168 Honda Description
What are the Possible Causes of the DTC B1168 Honda?
- Faulty Powertrain Control Module (PCM)
- Faulty Gauge Control Module
- Gauge Control Module harness is open or shorted
- Gauge Control Module circuit poor electrical connection
How to Fix the DTC B1168 Honda?
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 B1168 Honda 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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Need Help with the Code?
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Frequently Asked Questions about B1168 Honda Code
1. What are the common symptoms of OBDII code B1168 in a Honda related to Gauge Control Module communication loss with the PCM?
The common symptoms include malfunctioning gauges on the instrument cluster, flickering or erratic gauge readings, and the illumination of the check engine light.
2. What are some possible causes of the Gauge Control Module losing communication with the PCM in a Honda, triggering OBDII code B1168?
Potential causes include a faulty Gauge Control Module, damaged wiring or connectors between the modules, a malfunctioning PCM, or software issues.
3. How can I diagnose the issue causing OBDII code B1168 in my Honda related to the Gauge Control Module communication loss with the PCM?
Diagnosis typically involves inspecting the wiring and connectors for damage, checking the communication between the modules with a diagnostic tool, and verifying the software versions in each module.
4. Is it safe to continue driving my Honda with OBDII code B1168 related to the Gauge Control Module issue?
It is generally not recommended to drive the vehicle with this issue, as it can lead to inaccurate readings on the instrument cluster and potential safety concerns.
5. Can I repair the Gauge Control Module communication issue causing OBDII code B1168 in my Honda myself, or do I need to visit a mechanic?
While basic checks like inspecting wiring and connectors can be done by DIY enthusiasts, diagnosing and repairing complex issues with the modules may require professional assistance from a mechanic familiar with Honda vehicles.
6. Are there any temporary fixes or workarounds for OBDII code B1168 in a Honda until I can get it repaired?
There are usually no reliable temporary fixes for this issue, and it is best to address the problem promptly to avoid further complications.
7. How much does it typically cost to repair OBDII code B1168 related to Gauge Control Module communication loss with the PCM in a Honda?
The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the Gauge Control Module, repairing wiring, or reprogramming modules, which can range from a few hundred to over a thousand dollars.
8. Will resetting the OBDII code B1168 in my Honda make the issue go away permanently?
Resetting the code may temporarily clear the check engine light, but if the underlying problem causing the communication loss between modules is not fixed, the code is likely to reoccur.
9. Can extreme weather conditions or electrical interference cause OBDII code B1168 in a Honda related to Gauge Control Module communication issues?
Yes, extreme weather conditions or electromagnetic interference can potentially disrupt communication between modules and trigger this OBDII code.
10. Is there a way to prevent OBDII code B1168 from occurring in my Honda in the future after it has been repaired?
Regular maintenance, avoiding water damage to the modules, and ensuring proper electrical grounding can help prevent the recurrence of this communication issue between the Gauge Control Module and PCM.
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