Toyota Tundra 5.7 89663-0CD30_E2 SAP OFF Firmware
A guide to Toyota Tundra 5.7L 3UR-FE calibration 89663-0CD30_E2 and its SAP OFF variant label.
89663-0CD30_E2_SAP OFF REMOVE CONNECTORS SV 5000 p. is a catalog entry for Toyota Tundra 5.7-liter 3UR-FE engine-control firmware. The 89663-0CD30 calibration belongs to the engine control module, which manages engine operation, including fuel delivery, ignition and emissions-related functions.
What the SAP OFF label means
The filename identifies this as an SAP OFF variant. SAP refers to the secondary air injection system, which supplies fresh air to the exhaust during certain cold-start conditions to help reduce emissions as the engine and catalytic converters warm up. SAP OFF indicates a modification associated with disabling that function rather than a description of ordinary stock operation.
The same filename includes REMOVE CONNECTORS and SV 5000 p. Those are variant-specific labels. The name does not establish which connectors are meant, what SV denotes, or exactly how the calibration changes the controller’s behavior.
Engine-control context
The 3UR-FE engine controller uses sensor inputs and programmed calibration data to determine how the engine operates. Secondary air injection is one part of its emissions-control responsibilities. A fault in that system can trigger diagnostic trouble codes or a warning light, so the SAP OFF label is relevant when interpreting the vehicle’s emissions-system behavior.
The related catalog identifier 89663-0CD30 identifies the calibration family without the modification labels. It should not be assumed to describe the SAP OFF variant or a specific software change on its own. Disabling an emissions-control system can affect road legality and emissions inspection results.