John Deere OMPC20964 - Manual (Page 146)

Troubleshooting and Diagnostics
OUO6050,0002237 –19–14NOV06–3/3
Fault Code Description Problem Solution
2146.13 TCM not calibrated TCM has not been calibrated for this See Calibrating in TCM or StarFire iTC
vehicle. Please go to SETUP TCM to section.
calibrate.
523572.31 Unsafe TCM was unable to save SETUP changes Check battery voltage at TCM with key off,
Shutdown-parameters not when key was turned off. Must have check harness. Contact John Deere dealer.
stored unswitched battery voltage after key off to
save changes.
40-10
121907
PN=146