The 2023 Genesis G70's available launch control system promises maximum acceleration from a standstill. When this performance feature malfunctions—failing to engage or activating improperly—the track-day capability is compromised. Understanding how the system works helps diagnose issues.
How G70 Launch Control Works
Launch control coordinates engine power, transmission engagement, and traction control for optimal acceleration. The driver activates it through a specific procedure (typically Sport+ mode, brake and throttle pressed simultaneously), and the system optimizes RPM and clutch engagement for the fastest start.
Common Malfunction Symptoms
- System doesn't activate when procedure is followed
- "Launch Control Unavailable" message
- Activates but doesn't build RPM properly
- Traction control intervenes excessively
- Engine cuts power during launch
- Transmission engages harshly
Requirements Not Met
Launch control has specific prerequisites:
- Sport+ mode active
- Stability control in appropriate mode
- Transmission in correct setting
- Engine and transmission at operating temperature
- No active fault codes
- Proper activation procedure
Potential Causes of Malfunction
Active Fault Codes
Any engine, transmission, or stability system codes can disable launch control as a safety measure.
Software Issues
Bugs in the launch control software may require updates.
Sensor Problems
Wheel speed, throttle position, or brake pressure sensors affect launch control operation.
Temperature Conditions
Cold engine/transmission or overheating from repeated launches can disable the system.
Repair Costs
| Repair | Parts | Labor | Total |
|---|---|---|---|
| Software update | $0 | $100-$200 | $100-$200 |
| Sensor replacement | $100-$300 | $100-$250 | $200-$550 |
| System recalibration | $0 | $150-$300 | $150-$300 |