Error code
OBD2 P2788
OBD2P2788
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Auto Shift Manual Adaptive Learning at Limit.
Severity
moderateCan drive, but shifting may feel less smooth and efficient.
Summary
P2788 indicates that the Auto Shift Manual (ASM) adaptive learning system in the transmission has reached its limit, meaning it can no longer adjust shift patterns to optimize performance.
Common Causes
- Adaptive learning system has reached its maximum adjustment range
- Transmission malfunction or wear affecting shift patterns
Fixes
- Resetting the adaptive learning system or replacing faulty transmission components
FAQ
What does P2788 mean?
P2788 indicates that the ASM adaptive learning system in your transmission has reached its limit and can no longer make adjustments.
How do I fix P2788?
Fixing this code may involve resetting the adaptive learning system or addressing any underlying issues with the transmission components.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2700Transmission Friction Element 'A' Apply Time Range/Performance
- P2701Transmission Friction Element 'B' Apply Time Range/Performance
- P2702Transmission Friction Element 'C' Apply Time Range/Performance
- P2703Transmission Friction Element 'D' Apply Time Range/Performance
- P2704Transmission Friction Element 'E' Apply Time Range/Performance
- P2705Transmission Friction Element 'F' Apply Time Range/Performance
- P2706Shift Solenoid 'F'
- P2707Shift Solenoid 'F' Performance or Stuck Off
- P2708Shift Solenoid 'F' Stuck On
- P2709Shift Solenoid 'F' Electrical
- P2710Shift Solenoid 'F' Intermittent
- P2711Unexpected Mechanical Gear Disengagement