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Isuzu US-IDSS 2024 Diagnostic is a comprehensive tool for the effective maintenance and repair of Isuzu vehicles. It integrates advanced diagnostic features to assist technicians in identifying and resolving issues promptly. This system supports a wide range of Isuzu models, ensuring compatibility with both US and Canadian specifications. Its capabilities include vehicle recognition, fault code analysis, and real-time data access to streamline the diagnostic process.
Isuzu US-IDSS 2024 Diagnostic
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Cummins ISB CM550 (1990-94) Fault Code: 372 PID: 1283 SPN: 1077 FMI: 11 Idle Select High/Low

Circuit Description
This circuit is used for limp home acceleration if communication between the engine control
module (ECM) and fuel pump is lost. The circuit allows for a two-stage acceleration where
there are only two engine speeds available throughout the full range of accelerator travel.

Component Location
This circuit is internal to the fuel pump control module and the engine ECM.

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