Kohler KG2204 Service page 24

P-Code SPN FMI
P0125 110 17
P0126 110 18
P0127 105 16
P0128 110 17
P0129 108 18
P0131 3217 4
P0132 3217 3
P0133 3217 13
P0134 3217 31
P0137 3227 4
P0138 3227 3
P0139 3227 13
P0140 3227 31
P0151 3256 4
P0152 3256 3
P0153 3256 13
24 Diagnostic Troubleshooting Codes
Description
Insufficient Coolant
Temperature for Closed
Loop Fuel Control
Insufficient Coolant
Temperature for Stable
Operation
Intake Air Temperature
Too High
Coolant Thermostat
(Coolant Temperature
Below Thermostat
Regulating
Temperature)
Barometric Pressure
Too Low
HEGO sensor Circuit
Low Voltage (B1S1)
HEGO sensor Circuit
High Voltage (B1S1)
HEGO sensor Circuit
Slow Response (B1S1)
HEGO sensor No
Activity Detected (B1S1)
O2 Sensor Circuit Low
Voltage (B1S2)
O2 Sensor Circuit High
Voltage (B1S2)
O2 Sensor Circuit Slow
Response (B1S2)
O2 Sensor No Activity
Detected (B1S2)
O2 Sensor Circuit Low
Voltage (B2S1)
O2 Sensor Circuit High
Voltage (B2S1)
O2 Sensor Circuit Slow
Response (B2S1)
Possible Cause
 Problem with the CT
sensor or leads.
 Problem with the CT
sensor or leads.
 Blocked CAC, cabin
fan not working,
intake air duct
separated.
 Problem with the CT
sensor or leads.
 Actual atmospheric
condition, TMAP
sensor/leads if you
also have a TMAP
fault.
 Problem with the
HEGO sensor or
leads.
 Problem with the
HEGO sensor or
leads.
 Problem with the
HEGO sensor or
leads.
 Problem with the
HEGO sensor or
leads.
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
Corrective Action
 Check CT sensor leads. Refer to
Section 4.3.
 Replace CT sensor. Refer to
Section 5.2.
 Check CT sensor leads. Refer to
Section 4.3.
 Replace CT sensor. Refer to
Section 5.2.
 Clean debris from air cleaner.
 Check the fan leads.
 Check the fan fuses.
 Reconnect intake air duct.
 Check CT sensor leads. Refer to
Section 4.3.
 Replace CT sensor. Refer to
Section 5.2.
 Replace the TMAP sensor. Refer
to Section 5.10.
 Troubleshoot the HEGO sensor
for bad leads. Refer to
Section 4.7.
 Replace the HEGO sensor. Refer
to Section 5.7.
 Troubleshoot the HEGO sensor
for bad leads. Refer to
Section 4.7.
 Replace the HEGO sensor. Refer
to Section 5.7.
 Troubleshoot the HEGO sensor
for bad leads. Refer to
Section 4.7.
 Replace the HEGO sensor. Refer
to Section 5.7.
 Troubleshoot the HEGO sensor
for bad leads. Refer to
Section 4.7.
 Replace the HEGO sensor. Refer
to Section 5.7.
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
 Not applicable
TP-6903 5/16a