semtex

P2721 Pressure Control Solenoid “D” Control Circuit High

DTC Error codes for OBDII Powertrain (P) Codes obd II 2 Specific Trouble Codes. ScanGauge II can help you diagnose and clear the Error Code. Car Tuning - fuel economy - save fuel by monitoring consumption
OBD II Code Definitions
OBD-II DTC Database - Generic Powertrain Codes (P0xxx, P2xxx, P34xx - P39xx)

Google . . . give it a try some time. It worked for me (did a search on 'P2721 OBD').

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"There are no small accidents on this circuit." -- Ayrton Senna
316.8whp & 248 ft/lbs (Dyno Dynamics) | 319whp & 256 ft/lbs (DynoJet) (04/23/10)
Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.