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Engine Controls - Tests W/Codes - 3.8L PFI Expand All (for easy ctrl-f) Collapse All Introduction Model Identification Self-Diagnostic System Pcm/BCM Code Charts Notes Code 13, Open Oxygen (O2) Sensor Circuit Code 14, Coolant Temperature Sensor, Signal Voltage Low Code 15, Coolant Temperature Sensor, Signal Voltage High Code 16, System Voltage High/Low Code 17, Rpm Signal Problem Code 18, Cam/Crank Error, (VIN 1) Code 21, Throttle Position Sensor, Signal Voltage High Code 22, Throttle Position Sensor, Signal Voltage Low Code 23, Mat Sensor Signal Voltage High Code 24, Vehicle Speed Sensor (VSS) Code 25, Mat Sensor Signal Voltage Low Code 26, Quad-Driver CKT, (1 Of 3) Code 26, Quad-Driver CKT, (2 Of 3) Code 26, Quad-Driver CKT, (3 Of 3) Code 27, 28 Or 29, Gear Switch Circuits Code 31, Park/Neutral Switch CKT Code 34, MAF Sens, Signal Voltage Low Code 35, IAC Idle Speed Error, W/O Tech 1 Code 35, IAC Idle Speed Error, Using Tech I Code 38, Brake Switch CKT Code 39, TCC CKT, W/O Tech 1, W/4T60 Transaxle Code 39, TCC CKT Using Tech 1, W/4T60 Transaxle Code 41, Cam Sensor CKT Code 42, Est CKT Open Or Grounded Code 43, ESC Error, W/O ESC Module Code 44, Lean Exhaust Indication Code 45, Rich Exhaust Indication Code 48, Misfire Diagnosis Code 51, Faulty Prom/Mem-Cal Code 52, Faulty Cal-PAK Codes 54 & 55, EGR Fault (VIN 1) Code 56, Quad-Driver "B" Fault, VIN 1 (1 Of 2) Code 56, Quad-Driver "B" Fault, VIN 1 (2 Of 2) Code 57, Boost Control Problem, (VIN 1) Code 58, Pass-Key Fuel Enable CKT Code 61, Cruise Vent Solenoid Code 62, Cruise Vacuum Solenoid Code 65, Cruise Servo Position Code 66, Low A/C Refrigerant Charge, (W/O Digital Display) Code 67, Cruise Engage Switches Code 68, Cruise SYS Problem, Using Tech 1 Code 69, A/C Head Pressure Switch Summary