HOUSING 3S8475 - Caterpillar

The Electronic Control Module (ECM) detects the following conditions:
The outlet pressure of the turbocharger is greater than 200 kPa (29 psi).
The engine speed is within 50 rpm of low idle for five seconds.
262-03 diagnostic code is not active.
262-04 diagnostic code is not active.
273-03 diagnostic code is not active.
273-04 diagnostic code is not active.
273-13 diagnostic code is not active.
The ECM has been powered for at least three seconds.System Response:The ECM will log the diagnostic code. The diagnostic code may be viewed on a display module or on the Caterpillar Electronic Technician (ET). The ECM flags turbocharger compressor outlet pressure as invalid data and a default value of 0 kPa (0 psi) is used.Possible Performance Effect:
Low powerTroubleshooting:The turbocharger outlet pressure sensor is not producing a valid signal.Test Step 1.
Replace the turbocharger outlet pressure sensor.
Verify that the repair eliminates the problem. Results:
OK - STOP