C15 Intake Valve Actuation Sensor Failures{1925} Caterpillar


C15 Intake Valve Actuation Sensor Failures{1925}

Usage:

C15 BXS
Engine:
C15 (S/N: BXS1-UP; MXS1-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem

When the diagnostic codes are active or logged in Table1 below the 224-4535 Pressure Sensor Gp and 248-2168 Pressure Sensor Gp are being replaced mistakenly.

Solution

When the diagnostic codes that are associated with the intake valve actuation pressure sensor are logged or if the codes are active, Do Not replace the 224-4535 Pressure Sensor Gp or the 248-2168 Pressure Sensor Gp . Refer to Table 1 for the diagnostic codes that do not require replacement of the intake valve actuation pressure sensors.

Use the list of troubleshooting procedures below to help determine the nature of the mechanical failure. The list of troubleshooting procedures below can be found in the engine troubleshooting guide Troubleshooting, SENR9698, "C11,C13,and C15 On-Highway engines".

  • Intake Valve Actuation System Oil Pressure Circuit - Test

  • Intake Valve Actuator Circuit - Test

  • Intake Valve Actuator Response - Test

Table 1
Do not Replace the 224-4535 Pressure Sensor Gp or the 248-2168 Pressure Sensor Gp When the following codes are active or if the codes are logged.    
DIAGNOSTIC CODE     DESCRIPTION    
0283-05     Intake Actuation System Oil Pressure Solenoid current low (97)    
0283-06     Intake Actuation System Oil Pressure Solenoid current high (97)    
0283-07     Intake Valve Actuation Oil Pressure not responding (91)    
0284-05     Engine Coolant Diverter current low (98)    
0284-06     Engine Coolant Diverter current high (98)    
0285-05     Intake Valve Actuator #1 current low (92)    
0285-06     Intake Valve Actuator #1 current high (92)    
0285-07     Intake Valve Actuator #1 not responding (92)    
0286-05     Intake Valve Actuator #2 current low (92)    
0286-06     Intake Valve Actuator #2 current high (92)    
0286-07     Intake Valve Actuator #2 not responding (92)    
0287-05     Intake Valve Actuator #3 current low (92)    
0287-06     Intake Valve Actuator #3 current high (92)    
0287-07     Intake Valve Actuator #3 not responding (92)    
0288-05     Intake Valve Actuator #4 current low (92)    
0288-06     Intake Valve Actuator #4 current high (92)    
0288-07     Intake Valve Actuator #4 not responding (92)    
0289-05     Intake Valve Actuator #5 current low (92)    
0289-06     Intake Valve Actuator #5 current high (92)    
0289-07     Intake Valve Actuator #5 not responding (92)    
0290-05     Intake Valve Actuator #6 current low (92)    
0290-06     Intake Valve Actuator #6 current high (92)    
0290-07     Intake Valve Actuator #6 not responding (92)    
0385-01     Low Intake Valve Actuation System Oil Pressure    

Caterpillar Information System:

C15 On-Highway Engine Valve Mechanism Cover
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Transformer (T1 to T4)
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Precharge Zig Zag Transformer
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Proper Grounding for the 161-0797 Governor Control As {1264, 1408} Proper Grounding for the 161-0797 Governor Control As {1264, 1408}
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