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DTC 17E-12-Number of injections is limited by quantity balance
of high pressure pump
Control Module : ECU
Context:
The ECU A-9000 monitors the requested number of fuel injections and the current capability of the fuel injection sys-
tem to fulfill that request. If the ECU A-9000 determines that the number of requested fuel injections is greater than the
current capability of the fuel injection system, this fault will occur. For more information regarding the troubleshooting
of the fuel system, see Fuel injection system - Troubleshooting (10.218).
Cause:
The ECU A-9000 has determined that the number of requested fuel injections is greater than the current capability of
the fuel injection system to fulfill that request.
Possible failure modes:
1.
Faulty fuel back-flow, excessive.
2.
Faulty high pressure pump, worn or ageing.
3.
Faulty fuel metering unit, unable to open.
4.
Faulty fuel temperature, too high.
5.
Faulty fuel injectors, worn or internal leakage.
6.
Faulty fuel filters, clogged.
7.
Faulty charge gear pump, low efficiency.
8.
Faulty Pressure Relief Valve (PRV), leakage.
9.
Faulty rail pressure sensor B-9004, drifted signal or leakage.
10. Faulty fuel injection system, leaking or blocked lines.
11. Faulty ECU A-9000, software.
Electrical systems - FAULT CODES
47866583_ 02/12/2015
55.12 [55.DTC] / 86
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