P1CCE Fiat Code – Hydraulic Pump Driver Feedback Range-Performance

Possible Causes

Faulty Smart Drive Unit (SDU)
Smart Drive Unit (SDU) harness is open or shorted
Smart Drive Unit (SDU) circuit poor electrical connection
Faulty Transmission Controller Module (TCM)

الأسباب المحتملة

وحدة محرك أقراص ذكية خاطئ (SDU) وحدة محرك أقراص ذكية (SDU) مفتوحة أو وحدة محرك أقراص مختصرة (SDU) وحدة تحكم الإرسال الكهربائية الفقيرة (TCM)

Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

الأعراض المحتملة

ضوء المحرك (أو خدمة محرك قريبا ضوء تحذير) ضوء)

Description

This diagnostic checks for the range of the hydraulic pump driver feedback signal provided by the Smart Drive Unit (SDU) to the Transmission Control Module (TCM). The SDU unit drives the hydraulic pump by actuating a PWM command signal received from the TCM. The normal range of the hydraulic pump driver feedback signal is up to 30% of the power supply voltage.

الشرح

هذا ٪ 20Diabedignostic ٪ 20checks ٪ 20for ٪ 20The ٪ 20 Range ٪ 20of ٪ 20The ٪ 20 هيدروليك ٪ 20pump ٪ 20driver ٪ 20module ٪ 20 (TCM). ٪ 20The ٪ 20SDU ٪ 20unit ٪ 20drives ٪ 20THER ٪ 20 هيدروليك ٪ 20pump ٪ 20BY ٪ 20ATATING ٪ 20A ٪ 20PWM ٪ 20Command ٪ 20RIGNAL ٪ 20RECEEVER 20F ٪ 20The ٪ 20 هيدروليك ٪ 20pump ٪ 20driver ٪ 20feedback ٪ 20signal ٪ 20is ٪ 20up ٪ 20to ٪ 2030 ٪٪ 20of ٪ 20The ٪ 20power ٪ 20Supply ٪ 20voltage.

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