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Mitsubishi
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2004
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Eclipse RS, Automatic
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Repair and Diagnosis (Single Page)
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Transmission
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Automatic Trans
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Automatic Transaxle On-Vehicle Service
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Automatic Transaxle Diagnosis
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Diagnostic Trouble Code Procedures
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DTC 54 (P1751): A/T Control Relay System
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DTC Set Conditions
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Judgement Criteria
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Judgement Criteria
A/T control relay output voltage: 7 volts or less. (0.1 second)
If DTC 54 (P1751) is set consecutively four times, the transaxle is locked into 3rd gear as a fail-safe measure, and the "N" range light flashes once per second.