Table 95
Diagnostic Trouble Codes for Fuel Rail Pressure Problem
J1939 Code
PDL Code Code Description
(code descriptions may vary)
Comments
157-16 E396 (2) Engine Injector Metering Rail #1 Pressure: High -
moderate severity (2)
No other 157-XX or 1797-XX codes are active.
3509-XX or 262-XX codes are not active.
3510-XX or 2131-XX codes are not active.
No codes for the high-pressure fuel pump or the in-
jectors are active.
The fuel rail pressure is above an acceptable level.
The code is logged.
Engine power is derated.
157-18 E398 (2) Engine Injector Metering Rail #1 Pressure: Low -
moderate severity (2)
No other 157-XX or 1797-XX codes are active.
3509-XX or 262-XX codes are not active.
3510-XX or 2131-XX codes are not active.
No codes for the high-pressure fuel pump or the in-
jectors are active.
The fuel rail pressure is below an acceptable level.
The code is logged.
Engine power is derated.
1239-0 E499 (3) Engine Fuel Leakage 1: High - most severe (3) 3509-XX or 262-XX codes are not active.
3510-XX or 2131-XX codes are not active.
There is a probable fuel leak from the high-pres-
sure fuel system. The amount of leakage is a cal-
culated parameter.
The code is logged.
The engine will stop.
5571-0 E1264 (2) High Pressure Common Rail Fuel Pressure Relief
Valve : Active
3509-XX or 262-XX codes are not active.
3510-XX or 2131-XX codes are not active.
The pressure limiting valve in the fuel rail is open.
This code is a calculated parameter.
The code is logged.
Probable Causes
• Diagnostic codes
• Electrical connectors
• Fuel filters
• Fuel rail pressure sensor
• High fuel rail pressure
• Transfer Pump Inlet Regulator (TPIR)
• Transfer Pump Inlet Regulator (TPIR) return
• Return fuel lines
• Low fuel rail pressure
• Transfer Pump Inlet Regulator (TPIR)
• Transfer Pump Inlet Regulator (TPIR) Return
• Electric Fuel Lift Pump (EFLP)
• Return fuel lines
Recommended Actions
Contact with high pressure fuel may cause fluid
penetration and burn hazards. High pressure fuel
spray may cause a fire hazard. Failure to follow
these inspection, maintenance and service in-
structions may cause personal injury or death.
192 UENR4469-36
Symptom Troubleshooting
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