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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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Eaton Gen 2 (AutoShift) Fault Code: 43 PID: SID 35 FMI: 4 Range Valve

Overview:
Fault Code 43 indicates an electrical failure of the solenoids that control the range shift.

Detection:
Starting at key on and throughout operation, the Transmission Controller constantly measures this Range Valve circuit. A failure of short to battery, short to ground or open circuit is detected.

Fallback:
This fault causes a 5-speed fallback and the transmission stays in either low range or high range. When the vehicle comes to a stop, an attempt to shift into low range is made.

Possible Causes:
1) Range Valve
2) Transmission Harness
3) Transmission Controller

Shop Talk:
Key on. If the fault is present, the system should automatically detect the problem and set the code. If the fault is not present at key on, operate the vehicle and attempt to duplicate the driving conditions that triggered the fault code. Possible triggers include heat, vibration.

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