12 HARLEY-DAVIDSON INSTALLATION GUIDE
IPV3-15-02
AUTOTUNE LOGGING STATUS CODES
Refer to the table below for Autotune logging status codes, explanations, and remedies.
For state of the art technical support, please visit
www.dynojet.zendesk.com.
Code Meaning
Autotune Pro OK
Autotune Basic is OK and is acquiring valid sample data.
ATP OK
Explanation
Remedy
NA
Autotune Pro is OK and is acquiring valid sample data.
ATB OK Autotune Basic OK
NA
AT ER Autotune Error Autotune has an unknown error. Contact technical support.
NO WB No WB Data
There is no Wideband O2 sensor channel data available
for logging.
Wideband O2 sensor channel data is needed to use
Autotune Pro.
Connect a WB module.
Use Autotune Basic.
W 1 NRB WB 1 Not Ready Wideband O2 sensor #1 is heating up. Wait until ready.
W 2 NRB WB 2 Not Ready Wideband O2 sensor #2 is heating up. Wait until ready.
AFR L AFR Too Low
The Air Fuel Ratio is too low (AFR too rich) for Autotune
to use the sample data.
Autotune only learns in a certain range of AFR.
Modify your tune to run leaner.
Modify your AT Settings File.
Contact technical support.
AFR H AFR Too High
The Air Fuel Ratio is too high (AFR too lean) for
Autotune to use the sample data.
Autotune only learns in a certain range of AFR.
Modify your tune to run richer.
Modify your AT Settings File.
Contact technical support.
MAP L MAP Too Low
The Manifold Absolute Pressure is too low for Autotune
to use the sample data.
Autotune only learns while in cruise or acceleration
conditions, not while in deceleration.
Accelerate to increase MAP.
Modify your AT Settings File.
N ETONo ET Data
There is no Engine Temperature channel data available
for logging.
Engine Temperature channel data is needed to use
Autotune.
Contact technical support.
ET L ET Too Low
The Engine Temperature is too low for Autotune to use
the sample data.
Autotune only learns in a certain range of engine
temperatures.
Warm up the engine.
Modify your AT Settings File.
ET H ET Too High
The Engine Temperature is too high for Autotune to use
the sample data.
Autotune only learns in a certain range of engine
temperatures.
Cool down the engine.
Modify your AT Settings File.
N VEONo VE Data
There is no VE channel data available for logging.
VE channel data is needed to use Autotune.
Contact technical support.
VE L VE Too Low
The VE is too low for Autotune to use the sample data.
Autotune only learns in a certain range of VE.
VE is likely out of valid range in your base tune.
Adjust the VE in your tune to be
within valid range (40-127.5).
Contact technical support.
VE H VE Too High
The VE is too high for Autotune to use the sample data.
Autotune only learns in a certain range of VE.
VE is likely out of valid range in your base tune.
Adjust the VE in your tune to be
within valid range (40-127.5).
Contact technical support.
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