Kohler KG2204T

30 Diagnostic Troubleshooting Codes TP-6903 5/16a
P-Code SPN FMI Description Possible Cause Corrective Action
P0562 167 4 System Voltage Low
 Problem with
charging system.
 Problem with
charging system or
battery not
maintaining a
nominal system
voltage.
 Check harness, engine, and
equipment grounds.
 Check the battery fluid levels and
for corrosion on the battery posts.
 Check the battery charging
alternator.
 Replace the battery and alternator
if needed. Refer to the Engine
Service Manual.
P0563 167 3 System Voltage High
 Problem with
charging system
 Problem with
charging system or
battery not
maintaining a
nominal system
voltage.
 Check the battery and the battery
charging alternator for proper
operation.
 Replace the battery and alternator
if needed. Refer to the Engine
Service Manual.
P0603 (No
J1939
DTC)
Internal Control Module
Keep Alive Memory
(KAM) Error
 There is no saved
EEPROM data.
 Clear the DTC code and turn the
ECM power off. Wait fifteen
minutes and check if the code is
regenerated.
 Replace the ECM. Refer to
Section 5.4.
P0604 (No
J1939
DTC)
Internal Control Module
Random Access
Memory (RAM) Error
 There is a problem
with the ECM RAM.
 Clear the DTC code and turn the
ECM power off. Wait fifteen
minutes and check if the code is
regenerated.
 Replace the ECM. Refer to
Section 5.4.
P0605 (No
J1939
DTC)
Internal Control Module
Read Only Memory
(ROM) Error
 There is a blank or
corrupted operating
program.
 Clear the DTC code and turn the
ECM power off. Wait fifteen
minutes and check if the code is
regenerated.
 Replace the ECM. Refer to
Section 5.4.
P0606 (No
J1939
DTC)
ECM/PCM Processor
 Either the ECM did
not pass a functional
test or the boot ROM
is corrupt.
 Clear the DTC code and turn the
ECM power off. Wait fifteen
minutes and check if the code is
regenerated.
 Replace the ECM. Refer to
Section 5.4.
P0610 237 31 Vehicle Options
Programming Error
 Not applicable  Not applicable
P0615 1321 31 Starter Relay Circuit
 Not applicable  Not applicable
P0622 167 31 Generator Field/F
Terminal Circuit
 Not applicable  Not applicable
P0636 2923 4 Power Steering Control
Circuit Low
 Not applicable  Not applicable
P0637 2923 3 Power Steering Control
Circuit High
 Not applicable  Not applicable
P0638 3464 7 Throttle Actuator Control
Range/Performance
 Desired and actual
throttle positions do
not match.
 Troubleshoot the TP sensor
leads. Refer to Section 4.11.
 Replace the throttle body. Refer
to Section 5.1.