TP-6903 5/16a Diagnostic Troubleshooting Codes 43
P-Code SPN FMI Description Possible Cause Corrective Action
P2428 2433 18 Exhaust Overheat
Not applicable Not applicable
P2560 2430 18 Engine Coolant Level
Low
Not applicable Not applicable
P2626 3217 5 HEGO sensor Pumping
Current Trim
Circuit/Open
Problem with the
HEGO sensor.
Troubleshoot the HEGO sensor
for bad leads. Refer to
Section 4.7.
Replace the HEGO sensor. Refer
to Section 5.7.
P2666 2807 4 Fuel Shutoff Valve B
Control Circuit Low
Not applicable Not applicable
P2667 2807 3 Fuel Shutoff Valve B
Control Circuit High
Not applicable Not applicable