October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Engine Controls - Tests W/Codes - 5.7L TBI Expand All (for easy ctrl-f) Collapse All Introduction Model Identification Self-Diagnostic System Pcm/BCM Code Charts Notes Code 13, Open Oxygen (O2) Sens CKT Code 14, Coolant Temp Sens, Signal Voltage Low Code 15, Coolant Temp Sens, Signal Voltage High Code 21, Throttle Position Sens, Signal Voltage High Code 22, Throttle Position Sens, Signal Voltage Low Code 23, Mat Sens Signal Voltage High Code 24, Vehicle Speed Sens (VSS) Code 25, Mat Sens Signal Voltage Low Code 32, EGR System Error (1 Of 3) Code 32, EGR System Error (2 Of 3) Code 32, EGR System Error (3 Of 3) Code 33, Map Sens, Signal Voltage High Code 34, Map Sens, Signal Voltage Low Code 35, IAC Idle Speed Error, W/O Tech 1 Code 35, IAC Idle Speed Error, Using Tech I Code 42, Est CKT Open Or Grounded Code 43, ESC Error, W/ESC Module Code 43, ESC Error, W/O ESC Module Code 44, Lean Exhaust Indication Code 45, Rich Exhaust Indication Code 51, Faulty Prom/Mem-Cal Code 52, Faulty Cal-PAK Code 54, Fuel Pump Voltage Low Code 55, ECM Error Summary