Yale fault codes & repair guides
All 129 codes· 50 per page · page 2 of 3
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 522595-12 | Engine Control Module (ECM) / Engine Control Unit (ECU) | Internal Circuity Fault Detection - Electronic Pressure Regulator (EPR) Actuator Problem | Full repair manual for code 522595-12, Engine Control Module (ECM) / Engine Control Unit (ECU) |
| 522596-12 | Engine Control Module (ECM) / Engine Control Unit (ECU) | Internal Circuity Fault Detection / Electronic Pressure Regulator (EPR) Internal Circuit Problem | Full repair manual for code 522596-12, Engine Control Module (ECM) / Engine Control Unit (ECU) |
| 522598-3 | Engine Control Unit (ECU) / Controller | LPG Lock Off OORH | Full repair manual for code 522598-3, Engine Control Unit (ECU) / Controller |
| 522598-4 | ECU (Engine Control Unit) / ECM (Engine Control Module) | LPG Lock Off OORL | Full repair manual for code 522598-4, ECU (Engine Control Unit) / ECM (Engine Control Module) |
| 522603-3 | Engine Control Module (ECM / ECU) | Fuel Temp (LPG) Sensor OORH | Full repair manual for code 522603-3, Engine Control Module (ECM / ECU) |
| 522603-4 | Engine Control Module (ECM) or Vehicle System Manager (VSM) | Fuel Temp (LPG) Sensor OORL | Full repair manual for code 522603-4, Engine Control Module (ECM) or Vehicle System Manager (VSM) |
| 522604-3 | VSM (Vehicle System Manager) or ECU (Engine Control Unit) | Fuel Run Relay Control OORH | Full repair manual for code 522604-3, VSM (Vehicle System Manager) or ECU (Engine Control Unit) |
| 522604-4 | VSM (Vehicle System Manager) | Fuel Relay PWM Control OORL | Full repair manual for code 522604-4, VSM (Vehicle System Manager) |
| 522604-5 | Engine Control Module (ECM) or Vehicle System Manager (VSM) | Fuel Relay not Functioning | Full repair manual for code 522604-5, Engine Control Module (ECM) or Vehicle System Manager (VSM) |
| 522606-10 | Engine Control Module (ECM) or Vehicle System Manager (VSM) | Post Catalytic Converter Oxygen (O2) Sensor (Slow Response) | Full repair manual for code 522606-10, Engine Control Module (ECM) or Vehicle System Manager (VSM) |
| 522614-7 | Engine Control Unit (ECU) / Vehicle System Manager (VSM) | Throttle Not at Limp Mode Position (GM Engines Only) | Full repair manual for code 522614-7, Engine Control Unit (ECU) / Vehicle System Manager (VSM) |
| 522616-8 | Engine Control Unit (ECU) | Throttle Not at Command Position (GM Engines Only) | Full repair manual for code 522616-8, Engine Control Unit (ECU) |
| 522617-5 | Engine ECU | Throttle Not at Fully Closed/Open Position (GM Engines Only) | Full repair manual for code 522617-5, Engine ECU |
| 522631-2 | Engine Control Unit (ECU) | Pre-Cat Bank 1 Sensor Fails To Switch To Rich | Full repair manual for code 522631-2, Engine Control Unit (ECU) |
| 522655-0 | Engine ECU (Mazda Gas ECU or GM ECU) | Short Term Closed Loop Correction Bank 1 Less Than NOR -35% | Full repair manual for code 522655-0, Engine ECU (Mazda Gas ECU or GM ECU) |
| 522655-1 | Engine Control Unit (ECU) | Short Term Closed Loop Correction Bank 1 Greater Than NOR 35% (or 40%) (Lean Engine Operation) | Full repair manual for code 522655-1, Engine Control Unit (ECU) |
| 522660-0 | Engine Control Unit (ECU) | Long Term Closed Loop Correction Bank 1 Less Than NOR -30% (Rich Engine Operation) | Full repair manual for code 522660-0, Engine Control Unit (ECU) |
| 522660-1 | Engine ECU | Long Term Closed Loop Correction Bank 1 Greater Than NOR 30% (or 35%) (Lean Engine Operation) | Full repair manual for code 522660-1, Engine ECU |
| 522697-12 | Engine Control Unit (ECU) / Engine Control Module (ECM) | Internal Central Processor or Circuitry Faults | Full repair manual for code 522697-12, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 522710-3 | Engine ECU / Controller | Throttle A Position Sensor OORH | Full repair manual for code 522710-3, Engine ECU / Controller |
| 522710-4 | VSM (Vehicle System Manager) | Throttle A Position Sensor OORL (Out of Range Low) / Accelerator A Position Sensor OORL | Full repair manual for code 522710-4, VSM (Vehicle System Manager) |
| 522711-3 | Vehicle System Manager (VSM) or Engine Control Unit (ECU) | Throttle B Position Sensor OORH | Full repair manual for code 522711-3, Vehicle System Manager (VSM) or Engine Control Unit (ECU) |
| 522711-4 | VSM (Vehicle System Manager) or Engine ECU / GCU | Throttle B Position Sensor OORL (Out of Range Low) | Full repair manual for code 522711-4, VSM (Vehicle System Manager) or Engine ECU / GCU |
| 522712-3 | Vehicle System Manager (VSM), Engine Control Unit (ECU), or Gas Control Unit (GCU) | Accelerator A Position Sensor OORH (Out Of Range High) | Full repair manual for code 522712-3, Vehicle System Manager (VSM), Engine Control Unit (ECU), or Gas Control Unit (GCU) |
| 522712-4 | VSM (Vehicle System Manager) | Accelerator A Position Sensor OORL (Out Of Range Low) | Full repair manual for code 522712-4, VSM (Vehicle System Manager) |
| 522713-3 | Vehicle System Controller (VSC) or Engine Control Unit (ECU) | Accelerator B Position Sensor OORH (Out of Range High) | Full repair manual for code 522713-3, Vehicle System Controller (VSC) or Engine Control Unit (ECU) |
| 522713-4 | VSM (Vehicle System Manager) | Accelerator B Position Sensor OORL (Out of Range Low) | Full repair manual for code 522713-4, VSM (Vehicle System Manager) |
| 522737-10 | Engine Control Unit (ECU) / Vehicle System Controller | Pre Catalytic Converter Oxygen (O2) Sensor (Slow Response) | Full repair manual for code 522737-10, Engine Control Unit (ECU) / Vehicle System Controller |
| 522752-2 | ECM or DEPR | Crank Loss (CAM Pulse without Crank Pulse) | Full repair manual for code 522752-2, ECM or DEPR |
| 522752-4 | Engine Control Unit (ECU) | CAM Loss (Crank Pulse without CAM Pulse) | Full repair manual for code 522752-4, Engine Control Unit (ECU) |
| 522760-3 | VSM (Vehicle System Manager) | Switched Battery Voltage 1 (IGN 1) OORH (Out Of Range High) | Full repair manual for code 522760-3, VSM (Vehicle System Manager) |
| 522760-4 | VSM (Vehicle System Manager) | Switched Battery Voltage 1 (IGN 1) OORL (Out of Range Low) | Full repair manual for code 522760-4, VSM (Vehicle System Manager) |
| 522762-4 | Power Distribution Module (PDM) or Vehicle System Manager (VSM) / Vehicle System Controller (VSC) | Switched Battery Voltage 3 (IGN 3) OORL | Full repair manual for code 522762-4, Power Distribution Module (PDM) or Vehicle System Manager (VSM) / Vehicle System Controller (VSC) |
| 522764-6 | Vehicle System Manager (VSM) or Power Distribution Module (PDM) / Display (DSC) | Ign/Alt - Ignition 1 Relay (RL6) Driver Output OORL | Full repair manual for code 522764-6, Vehicle System Manager (VSM) or Power Distribution Module (PDM) / Display (DSC) |
| 522772-4 | Vehicle System Controller (VSC) / Power Distribution Module (PDM) | Backup Lamp Driver Output OORL | Full repair manual for code 522772-4, Vehicle System Controller (VSC) / Power Distribution Module (PDM) |
| 523550-3 | Controller / ECU (Vehicle System Manager / VSM) | Start Relay Control OORH (Out Of Range High) | Full repair manual for code 523550-3, Controller / ECU (Vehicle System Manager / VSM) |
| 523740-3 | Display Switch Cluster (DSC) / Vehicle System Manager (VSM) | Truck has NO Forward or Reverse Motion | Full repair manual for code 523740-3, Display Switch Cluster (DSC) / Vehicle System Manager (VSM) |
| 523740-4 | VSM (Vehicle System Manager) | Truck has NO Forward or Reverse Motion | Full repair manual for code 523740-4, VSM (Vehicle System Manager) |
| 523767-2 | DSC | Arrow Down Button Stuck | Full repair manual for code 523767-2, DSC |
| 523769-2 | DSC (Display Switch Cluster) | DSC Fault - Arrow Up Button Stuck | Full repair manual for code 523769-2, DSC (Display Switch Cluster) |
| 523780-3 | VSM (Vehicle System Manager) | Park Brake Position Sensor OORH (Out of Range High) | Full repair manual for code 523780-3, VSM (Vehicle System Manager) |
| 523780-4 | VSM (Vehicle System Manager) | Park Brake Position Sensor OORL (Out Of Range Low) | Full repair manual for code 523780-4, VSM (Vehicle System Manager) |
| 523833-3 | VSM (Vehicle System Manager) | Glow Plug Relay Driver Output OORH (Out Of Range High) | Full repair manual for code 523833-3, VSM (Vehicle System Manager) |
| 523833-4 | VSM / ECU | Glow Plug Relay Driver Output OORL (Out of Range Low) | Full repair manual for code 523833-4, VSM / ECU |
| 523920-3 | Powershift Transmission Controller or Vehicle System Manager (VSM) | REV Circuit Shorted High | Full repair manual for code 523920-3, Powershift Transmission Controller or Vehicle System Manager (VSM) |
| 523920-4 | VSM | REV Circuit Shorted Low | Full repair manual for code 523920-4, VSM |
| 523930-3 | Transmission Controller / Vehicle System Manager (VSM) | FWD Circuit Shorted High | Full repair manual for code 523930-3, Transmission Controller / Vehicle System Manager (VSM) |
| 523930-4 | VSM (Vehicle System Manager) | Clutch FWD1/Return Circuit OORL | Full repair manual for code 523930-4, VSM (Vehicle System Manager) |
| 524195-3 | VSM (Vehicle System Manager) | Yanmar Cold Start Relay Driver Output OORH (Out Of Range High) | Full repair manual for code 524195-3, VSM (Vehicle System Manager) |
| 524195-4 | Controller / VSM (Vehicle System Manager) | Cold Start Relay Driver Output OORL (Out Of Range Low) | Full repair manual for code 524195-4, Controller / VSM (Vehicle System Manager) |