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Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, check the trouble areas listed for that code in the table below and proceed to the appropriate page.

Cruise control system 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
P0500  Vehicle Speed Sensor Malfunction
  1. Vehicle speed sensor
  2. Vehicle speed sensor signal circuit
  3. Combination meter assembly
  4. ECM
P0503  Vehicle Speed Sensor "A" Intermittent / Erratic / High
  1. Vehicle speed sensor
  2. Vehicle speed sensor circuit
  3. Combination meter assembly
  4. ECM
P0571  Brake Switch "A" Circuit
  1. Stop light switch
  2. Stop light switch circuit
  3. ECM
P0607  Control Module Performance ECM
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