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Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC	Description
DTC P0500/21, P0503/23	VEHICLE SPEED SENSOR "A" INTERMITTENT/ERRATIC/HIGH
DTC P0571/52	BRAKE SWITCH "A" CIRCUIT
DTC P0607/54	CONTROL MODULE PERFORMANCE

If a malfunction code is indicated during the DTC check, check the circuit listed for that code in the table below, and proceed to an appropriate page.

Fig 1: Diagnostic Trouble Code Chart