Home Service Application

Press the Service button to access the Service functions menu. Perform service functions that formerly were limited to dealers only.Your RIVA Maptuner makes it possible for you to perform many critical service functions at home. Diagnose check engine warnings,reset maintenance interval warnings, program Sea-Doo DESS keys, reset the TPS when installing a new throttle body, and more.

Read & Clear Fault Codes

Displays active & past fault codes recorded in the ECU along with description of each fault. Reset fault codes with push of a button. 

Program DESS Keys

Add or delete DESS (digitally encoded security system) keys. Also permits user to program each key with one of three key types: Normal, Learning, or Rental. Provides option to disable DESS security function making it possible to start the vehicle with any key. 

Reset Throttle

Prompts ECU to record the minimum & maximum throttle position (TPS) values in the ECU. This function must be performed when the throttle body or the ECU is replaced. 

Reset Service

Allows user to reset service light which starts countdown to next factory programmed service interval. Also displays important service information including date of last service, hours since last service & total running hours. 

Reset History

This function will erase the recorded running history in the ECU. Recorded diagnostic information such as RPM, sensor readings, etc. will be deleted from ECU memory. 


Allows real time viewing of vital vehicle data, letting you see far beyond your dashboard gauge. This information is critical for performance tuning and service diagnostics. Monitors and displays multiple vehicle parameters including: Temperature Sensors, RPM, Speed, Ignition Timing, TPS, MAP Sensor & Battery Voltage. Also displays LAMBDA/02 with optional accessories listed below.