We Need You!
Support Caddyinfo.com There
are two easy ways to contribute to Caddyinfo.com
1) Caddyinfo
Discussion Forum
Contribution or Subcription click here
2) Direct contribution via Paypal, click the button below.
Join the forum
Join the Caddyinfo.com forum and share your knowledge of Cadillacs and Cadillac Culture.
Write Cadillac Articles Email or post your articles to share with other Cadillac enthusiasts!
Caddyinfo.com Cadillac How-To
1992 STS DTC Codes by System
Trouble Codes:
IOxx: IPC System:
IO22 | Dimming Potentiometer Problem |
IO3X | Multiple Data Communication Codes |
IO33 | Loss of SIR Data Communication |
IO34 | Loss of PCM Data Communication |
IO39 | CCR System Problem |
IO41 | Battery Voltage Low |
IO42 | Battery Voltage High |
IO52 | IPC Loss of Memory |
IO56 | IPC EEPROM Error |
EOxx: PCM System:
EO12 | No Distributor Signal |
EO13 | Right Oxygen Sensor Not Ready |
EO14 | Shorted Coolant Temp Sensor |
EO15 | Open Coolant Temp Sensor Signal |
EO16 | Voltage Out of Range [ALL SOL] |
EO17 | Left Oxygen Sensor not ready |
EO19 | Shorted Fuel Pump Circuit |
EO20 | Open Fuel Pump Circuit |
EO21 | Shorted TPS Signal [VCC] |
EO22 | Open TPS Signal [VCC] |
EO23 | EST Signal problem [EGR] |
EO24 | VSS Signal Problem [C/C, VCC] |
EO26 | Shorted Throttle Signal Switch |
EO27 | Open throttle signal switch |
EO30 | ISC RPM out of range |
EO32 | Open MAP Sensor Signal |
EO34 | MAP Sensor Signal Out of Range |
EO37 | Shorted MAT Sensor Signal |
EO38 | Open MAT Sensor Signal |
EO39 | VCC Engagement Problem [VCC] |
EO40 | Power Steering Pressure Switch |
EO41 | Cam Sensor Signal Problem |
EO42 | Left Oxygen Sensor Signal Lean |
EO43 | Left Oxygen Sensor Signal Rich |
EO44 | Right Oxygen Sensor Signal Lean |
EO45 | Right Oxygen Sensor Signal Rich |
EO46 | Right to Left Bank Fueling Difference |
EO47 | IPC -- PCM Data Problem |
EO48 | EGR system Problem |
EO51 | MEM-CAL Error |
EO52 | PCM Memory Reset |
EO53 | Distributor Signal Interrupt |
EO55 | Closed Throttle Angle Out of Range |
EO58 | PASSKey Control Problem |
EO60 | Cruise-Transaxle Not in Drive |
EO61 | Cruise - Vent Solenoid Problem |
EO62 | Cruise - Vacuum Solenoid Problem |
EO63 | Set Vs. Vehicle Speed Difference |
EO64 | Vehicle Acceleration Too High |
EO65 | Cruise - S P S Failure |
EO66 | Cruise - RPM Out of Range |
EO67 | Cruise - Switch shorted at Enable |
EO68 | Cruise Command Problem |
EO70 | Intermittent TPS Signal |
EO71 | Intermittent MAP Signal |
EO73 | Intermittent Coolant Sensor Signal |
EO74 | Intermittent MAT Signal |
EO75 | Intermittent VSS Signal |
EO80 | Fuel System Rich |
EO85 | FIdle Throttle Angle Too High |
EO90 | VCC Brake Switch Input Problem |
EO91 | PRNDL Switch Problem |
EO92 | Heated Windshield Request Problem |
EO96 | Torque Converter Overstress |
EO97 | High RPM P/N to D/R Shift |
EO98 | High RPM P/N to D/R Shift Under ISC |
EO00 | Cruise Servo Apply Problem |
AOxx: HVAC Programmer (ACP) Codes:
AO10 | Outside Temperature Sensor Circuit |
AO11 | Hi-Side Temp Sensor Circuit |
AO12 | Lo-Side Temp Sensor Circuit |
AO13 | In-Car Temp Sensor Circuit |
AO15 | Sunload Sensor Circuit |
AO37 | Loss of IPC Data |
AO40 | Air Mix Valve (door) circuit problem |
AO46/47 | Low refrigerant charge |
AO48 | Low refrigerant pressure |
AO49 | HVAC Coolant temp too high |
AO52 | Keep alive memory error |
ROxx: SIR SYSTEM CODES
CaddyInfo Discussion Forum
Where Cadillac Fans meet to Discuss Cadillacs
Cadillac Acceleration Testing
0-60 mph, Quartermile, etc
Cadillac Performance Modifications
How do I add HP?
Ebay Auctions for Cadillac Wheels/Tires
Cardio-Doc knows Wheels
Archive of Cadillac Photos
Cars of People on the Board