COUPLER AR-QUICK 4553910 - Caterpillar

The Electronic Control Module (ECM) detects the following conditions:
The primary speed/timing sensor and the secondary speed/timing sensor are off by more than 8 crankshaft degrees.
The engine has been running for more than five seconds.
Diagnostic code 0190-08 is not active.
No 0041 diagnostic codes are active.System Response:This code will not be logged. A warning will appear on the display on the control panel when this code is active.Possible Performance Effect:The pressure in the fuel rail may be unstable and the engine may not run smoothly.Troubleshooting:Test Step 1. Check the timing of the fuel rail pump. Refer to Disassembly and Assembly, "Fuel Injection Pump - Install".Results:
OK - STOP