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1. INSTRUMENT CLUSTER DISPLAY CONTROL BUTTONS 2. INSTRUMENT CLUSTER DISPLAY 3. CRUISE CONTROL BUTTONS 4. STEREO DISPLAY 5. OBDII PORT 6. ENGINE START/STOP BUTTON NOTE: If working with a vehicle that still has the STOCK instrument cluster, stereo display and cruise control but look di erent from above, these steps will still apply but pictures in these instructions may di er from your physical parts.
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Cruise Control Layout 4-BUTTON CRUISE 5-BUTTON CRUISE SET + CANC SET - NOTE: It is important to reference your respective cruise control button layout throughout this booklet when programming your ProCal.
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OVERVIEW The AEV ProCal SNAP is a simple, easy to use electronic recalibration module for Jeep JL Wrangler, Gladiator and RAM Trucks. ProCal SNAP has the ability to recalibrate your vehicle’s speedometer to compensate for non-factory tire sizes, replacement axle gear ratios and aftermarket or the OBDII diagnostic port and inputting the numerical values using the stereo’s audio equalizer.
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PAIR PROCAL SNAP TO VEHICLE Press 2 times to put into the Insert ProCal SNAP into the “RUN” position. OBDII port. NOTE: The ProCal SNAP must be paired to a vehicle before it will recalibrate any settings. Once completed, the ProCal SNAP will be permanently locked to this vehicle.
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BRAKE PEDAL SET + CANC SET - Wait for a blinking GREEN With your foot on the light on the SNAP and a brake, PRESS and HOLD the blinking BRAKE light on the CRUISE ON/OFF button until speedometer. the vehicle honks. HONK! HONK! HONK! When the pairing process is complete, the horn will sound quickly 3 times.
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EXAMPLE: TIRE SIZE To recalibrate Tire Size: Begin by physically measuring your tire diameter IN INCHES ACTUAL MEASURMENT TO THE NEAREST 10th IN. from the ground to the top of front tire with the vehicle level and on the ground. Press 2 times to put into the Insert ProCal SNAP into the “RUN”...
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Wait for a solid GREEN light on the SNAP. Set the EQ values for the tire size (Example: 34.2” Tires, Bass = 3, Mid = 4, Treb = 2.). Press the combination below. PRESS and HOLD for 3 SECONDS. Programming is complete when the horn sounds twice.
SETTING EQUALIZER Adjust the stereo’s EQUALIZER SETTINGS to the values you wish to set (be sure the stereo source is set to AM/FM). Always enter the values in order: Bass, Mid, Treb. • Example: 34.2” Tires, Bass = 3, Mid = 4, Treb = 2. –...
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FUNCTION DESCRIPTION FUNCTION DESCRIPTION When setting Tire Size, use the actual When setting Tire Size, use the measured size, TIRE SIZE not the rated size written on the tire. measured height, not the rated size written on the tire. *This function may The physical ratio of gears in your di erential.
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EQ EXAMPLE COMBINATION 34.2” Tires SET + Bass: 3 CANC Mid: 4 Treb: 2 SET - BRAKE PEDAL 4.10:1 Axle Ratio SET + Bass:4 CANC Mid: 1 Treb: 0 SET - BRAKE PEDAL Jeeps Only 3.80 T-Case SET + Bass: 3 CANC Mid: 8 SET -...
ADDITIONAL FUNCTIONS To use ProCal SNAP to clear DTC codes or restore your vehicle’s factory settings, follow programming steps 1 and 2 then PRESS/PULL and the combinations below and HOLD for 3 SECONDS. CLEAR DTC CODES SET + CANC SET - BRAKE PEDAL PULL HIGH BEAM RESTORE FACTORY SETTINGS...
VIEW SETTINGS If you wish to view the current settings, you can do so on the Instrument Cluster Display. Insert the ProCal SNAP to the OBDII port. Turn the radio o and use the Instrument Cluster Display Control Buttons to navigate to AUDIO. The Instrument Cluster Display will cycle through showing the current setting for Tire Diameter, Axle Ratio, Tire Pressure Threshold (Front and Rear), 4Low Ratio and the ProCal SNAP part Number.
FAST PULSING ORANGE: No connection. Check that the harness is properly installed. FAST PULSING BLUE: There has been an error in Cluster Display Control Buttons to navigate to AUDIO. Record the error message and contact AEV support with the information shown.
A: Turn the radio o . Use the instrument Cluster Display Control Buttons to navigate to AUDIO. Record the error message and contact AEV Support with the information shown. Q: What if I don’t have a factory stereo? A: We have not yet encountered an aftermarket stereo head unit...
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