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BCM Tests W/Codes (Part II) Expand All (for easy ctrl-f) Collapse All Testing - BCM Trouble Code Charts Notes Code B110, Outside Temperature Sensor Circuit (TORONADO) Code B110, Outside Temperature, Sensor Circuit (Riviera) Code B111, A/C High Side Temperature Sensor CKT (TORONADO) Code B111, A/C High Side Temperature Sensor Circuit (Riviera) Code B112, A/C Low Side Temperature Sensor Circuit (TORONADO) Code B112, A/C Low Side Temperature Sensor Circuit (Riviera) Code B113, In-Car Temperature Sensor Circuit (TORONADO) Code B113, In-Car Temperature Sensor Circuit (Riviera) Code B115, Sun Load Sensor Circuit (TORONADO) Code B115, Sun Load Sensor Circuit (Riviera) Code B118, Door Ajar/Jamb Switch Circuit (TORONADO Only) Code B119, Twilight Photocell Circuit (TORONADO) Code B119, Twilight Photocell Circuit (Riviera) Code B120, Twilight Delay Switch Pot Circuit (TORONADO) Code B120, Twilight Delay Switch Pot Circuit (Riviera) Code B120 & B122, Twilight Delay & Panel Dimming (TORONADO) Code B120 & B122, Twilight Delay & Panel Dimming (Riviera) Code B121, Twilight Enable Switch Circuit (Riviera Only) Code B122, Panel Dimming Switch Pot Circuit (TORONADO) Code B122, Panel Dimming Switch Pot Circuit (Riviera) Code B123, Courtesy Lights Panel Switch Circuit Code B124, Vehicle Speed Sensor (VSS) Circuit Problem Code B127, Gear Selector Switch Circuit (TORONADO Only) Code B131, Engine Oil Pressure Switch Circuit Problem Code B131 And/Or B132, Engine Oil Pressure Sens CKT Problem Code B334, Loss Of ECM Serial Data (TORONADO) Code B334, Loss Of ECM Serial Data (Riviera) Code B335, Loss Of ECC Serial Data (TORONADO) Code B335, Loss Of ECC Serial Data (Riviera) Code B336, Loss Of IPC Serial Data (TORONADO) Code B336, Loss Of IPC Serial Data (Riviera) Code B337, Loss Of HVAC Programmer Data (TORONADO) Code B337, Loss Of HVAC Programmer Data (Riviera) Code B338, Loss Of Chime/Voice Serial Data (TORONADO Only) Code B339, Loss Of Radio Data (Riviera Only) Code B409, Charging System Problem (TORONADO) Code B409, Charging System Problem (Riviera) Code B410, Charging System Regulator Problem (Riviera Only) Code B411, Battery Voltage Too Low Code B412, Battery Voltage Too High Code B418, Crank Signal Circuit Problem (Riviera Only) Code B420 (1 Of 5), Relay Circuits (Riviera Only) Code B420 (2 Of 5), Relay CKTS (Courtesy Light - Riviera) Code B420 (3 Of 5), Relay CKTS (Twilight Relays - Riviera) Code B420 (4 Of 5), Relay CKTS (High/Low Beam - Riviera Only) Code B420 (5 Of 5), Relay CKTS (Retained Accessory Power Relays - Riviera Only) Code B440, HVAC - Air Mix Door Circuit Problem Code B445, A/C Compressor Engage Circuit CODE B445, A/C COMPRESSOR ENGAGE CIRCUIT (Cont.) Codes B446, B447 & B448 Low Refrigerant Pressure Code B449, HVAC - High Side Temperature Too High Code B450, HVAC - Coolant Temperature Too High Code B552, Keep Alive Memory Error (Tornado) Code B552, BCM Keep Alive Memory Error (Riviera) Code B553, CRTC Keep Alive Memory Error (Riviera Only) Code B556, Odometer (Ee) Prom Error Code B660, Cruise Control Not In Drive (TORONADO) Code B660, Cruise Control Not In Drive (Riviera) Code B663, Cruise Speed Difference Between Actual & Set Is Too Large (TORONADO) Code B663, Cruise Speed Difference Between Actual & Set Is Too Large (Riviera) Code B664, Cruise Acceleration Too High Code B667, Set/Coast Or Resume/ACCEL CKT Shorted (Riviera) Code B667, Set/Coast Or Resume/ACCEL CKT Shorted (TORONADO) Code B671, Cruise - Servo Position Sens CKT Problem (Riviera) Code B671, Cruise-Servo Position Sens CKT Problem (TORONADO) Code B672, Cruise - Vent Solenoid Circuit Problem (Riviera) Code B672, Cruise - Vent Solenoid Circuit Problem Code B673, Cruise - Vacuum Solenoid CKT Problem (TORONADO) Code B673, Cruise - Vacuum Solenoid Circuit Problem (Riviera) Code B710, CRT Switching Circuit Problem (Riviera Only) Multiple Intermittent Codes (Riviera Only) Chart A - History Codes EO47, B334, B335, B336, B337 Chart B - History Codes EO47 & B334 Chart C - History Codes EO47 & B552 Chart D - History Codes EO47, B334, B337 Chart E - History Codes EO47, B334, B335, B337 Chart F - History Codes B335, B336, B337 Chart G - History Codes B335 & B336 Chart H - History Codes B335 & B337 Chart I - History Codes B335 & B553 Chart J - History Codes EO047, B334, B335, B336, B337, B553 Chart K - History Codes EO47, B552, B553 Testing - Climate Control System Climate Control Diagnostic Charts Chart 1, Codes 446, 447 & 448 Low Refrigerant SYS (Riviera) CHART 1, CODES 446, 447 & 448 LOW REFRIGERANT SYS (Toronado) Chart A, (Riviera) Low REFRIG. Pressure Code 446, 447 & 448 Chart A, (TORONADO) Low REFRIG. Pressure Code 446, 447 & 448 Chart 2, Compressor Won't Engage (Riviera) Chart 2, Compressor Won't Engage (TORONADO) Chart 3, Compressor Always Engaged (Riviera) Chart 3, Compressor Always Engaged (TORONADO) Chart 4, Hi Blower Only Chart 5, No Blower Operation Chart 6, Improper Air Delivery Chart 9, Improper Temperature Regulation Chart 10, A/C System Performance Test Chart 11, No "Def" From IP Switch (Riviera) Chart 11, Rear Defroster Inoperative (TORONADO)