Kohler KG2204T

TP-6903 5/16a Diagnostic Troubleshooting Codes 29
P-Code SPN FMI Description Possible Cause Corrective Action
P0506 188 18 Idle Air Control System
RPM Lower Than
Expected
 Problem with the TP
sensor in the throttle
body or the leads.
 Troubleshoot the TP sensor
leads. Refer to Section 4.11.
 Replace the throttle body. Refer
to Section 5.1.
P0507 188 16 Idle Air Control System
RPM Higher Than
Expected
 Problem with the TP
sensor in the throttle
body or the leads.
 Troubleshoot the TP sensor
leads. Refer to Section 4.11.
 Replace the throttle body. Refer
to Section 5.1.
P0508 188 4 Idle Air Control System
Circuit Low
 Problem with the TP
sensor in the throttle
body or the leads.
 Troubleshoot the TP sensor
leads. Refer to Section 4.11.
 Replace the throttle body. Refer
to Section 5.1.
P0509 188 3 Idle Air Control System
Circuit High
 Problem with the TP
sensor in the throttle
body or the leads.
 Troubleshoot the TP sensor
leads. Refer to Section 4.11.
 Replace the throttle body. Refer
to Section 5.1.
P050C 3061 18 Cold Start Engine
Coolant Temperature
Performance
 Diagnostic not set.
 Verify that the CT sensor tracks
coolant temperature. Observe the
CT sensor reading during engine
warm-up.
 Check CT sensor leads. Refer to
Section 4.3.
 Check the thermostat and replace
if needed. Refer to the Engine
Service Manual.
P0522 100 4 Engine Oil Pressure
Sensor/Switch Low
Voltage
 Problem with the oil
pressure sender or
the leads.
 Check the oil pressure sender
leads. Refer to Section 4.9
 Replace the oil pressure sender.
Refer to Section 5.9.
P0523 100 3 Engine Oil Pressure
Sensor/Switch High
Voltage
 Problem with the oil
pressure sender or
the leads.
 Check the oil pressure sender
leads. Refer to Section 4.9
 Replace the oil pressure sender.
Refer to Section 5.9.
P0524 100 18 Engine Oil Pressure Too
Low
 Low oil fill, engine
problem.
 Check the oil level.
 Check for leaks
 Check for clogged oil filter.
 Verify the engine oil pressure.
P0530 3062 31 A/C Refrigerant
Pressure Sensor A
Circuit
 Not applicable  Not applicable
P0534 3062 18 Air Conditioner
Refrigerant Charge Loss
 Not applicable  Not applicable
P0545 2433 4 Exhaust Gas
Temperature Sensor
Circuit Low
 Not applicable  Not applicable
P0546 2433 3 Exhaust Gas
Temperature Sensor
Circuit High
 Not applicable  Not applicable
P0551 2923 7 Power Steering
Pressure Switch/Sensor
Circuit Performance
 Not applicable  Not applicable
P0561 167 2 System Voltage
Unstable
 Problem with
charging system.
 Problem with the
charging system
voltage varying
excessively.
 Check the battery and the battery
charging alternator for proper
operation.
 Replace the battery and alternator
if needed. Refer to the Engine
Service Manual.