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Home >> Isuzu >> 2003 >> Axiom Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Transmission Control System >> Diagnostic Trouble Codes >> DTC P1870: Transmission Component Slipping (TCC Stuck Off) >> Circuit Description
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Circuit Description

The PCM monitors the difference in engine speed and transmission output speed. For example in D3 drive range with the ECCC commanded, the engine speed should closely match transmission output speed.

This DTC detects excessive TCC slip when the ECCC is engaged. This is a type "B" DTC.