INJECTOR GP-FUEL 20R1282 - Caterpillar

Table 1
Diagnostic Codes Table    
CDL Code    Code Description    Comments    
E232 (1)     High Fuel/Water Separator Water Level     A high level of water is detected in the water separators.
If equipped, the action lamp will illuminate.    
E232 (2)     High Fuel/Water Separator Water Level     A high level of water is detected in the water separators.
The level in the water separator has been high for at least an hour. The operator needs to empty the water separator.
The engine will be derated.
If equipped, the action lamp will illuminate.    Note: Visually identifying the presence of water in the bowl may be impossible. Water may turn dark yellow in color in the fuel system. Differentiating the water from the fuel would then be difficult.Troubleshooting Procedure
Turn the ignition key to the OFF position.
Drain the fuel/water separator bowl. Refer to the Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) - Drain".
If necessary, prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime".
Turn the ignition key to the ON position. Do not start the engine.
Wait for 1 minute. The "Water in Fuel" warning should disappear. If the "Water in Fuel" warning is still present, the switch circuit may be faulty.Perform the following procedure.
Turn the keyswitch to the OFF position.
Disconnect the harness.
Create a short in the harness.
Turn the keyswitch to the ON position.
If the "Water Separator Has Water" warning disappears, replace the switch.
If the "Water Separator Has Water" warning does not disappear, repair the wiring or replace the wiring.
If the "Water in Fuel" warning disappears within 1 minute after the bowl is drained, allow the engine to run for 5 minutes.
If the "Water in Fuel" warning reappears, the fuel supply is contaminated with water. Drain the fuel tank and then fill the fuel tank with clean fuel. Repeat Steps 1 to 5 in order to reset the warning light.