LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2024 >> Expedition Timberline >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls >> Diagnosis And Testing >> Powertrain Control Module (PCM) Input and Output Controls >> Global Customer Symptom Code (GCSC) Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Global Customer Symptom Code (GCSC) Chart

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Symptom Action
Driver Aid and Information > Warning Indicators/Messages/Chimes > Powertrain Malfunction (wrench image) > Stays On GO to Pinpoint Test Z 
Driver Aid and Information > Warning Indicators/Messages/Chimes > Service Engine Soon (Engine Image) > Stays On GO to Pinpoint Test Z 
Driver Aid and Information > Warning Indicators/Messages/Chimes > Transmission > Stays On GO to Pinpoint Test Z 
Start/Run/Move > Starting > No Crank > Always GO to Pinpoint Test C 
Start/Run/Move > Starting > No Crank > Intermittent GO to Pinpoint Test Z 
Start/Run/Move > Starting > Slow Crank/Battery > Intermittent GO to Pinpoint Test Z 
Start/Run/Move > Starting > Hard Start/Long Crank > Always GO to Pinpoint Test C 
Start/Run/Move > Starting > Hard Start/Long Crank > Intermittent GO to Pinpoint Test Z 
Start/Run/Move > Starting > Auto-Start-Stop > Inoperative GO to Pinpoint Test Z 
Start/Run/Move > Running > Engine Won't Shut Off > Always GO to Pinpoint Test B 
Start/Run/Move > Moving > Upshift Quality > Intermittent GO to Pinpoint Test Z 
Start/Run/Move > Moving > Downshift Quality > Intermittent GO to Pinpoint Test Z 
Driving Performance > Runs Rough > All Running Modes > Intermittent GO to Pinpoint Test Z 
Driving Performance > Idle Quality > Rolling > Intermittent GO to Pinpoint Test Z 
Driving Performance > Stalls/Quits > At Idle > Intermittent GO to Pinpoint Test Z 
Driving Performance > Backfires > At Idle > Intermittent GO to Pinpoint Test Z 
Driving Performance > Backfires > Acceleration > Intermittent GO to Pinpoint Test Z 
Driving Performance > Backfires > Deceleration > Intermittent GO to Pinpoint Test Z 
Driving Performance > Lack/Loss of Power > Acceleration > Intermittent GO to Pinpoint Test Z 
Driving Performance > Lack/Loss of Power > Cruise/ Steady Speed > Intermittent GO to Pinpoint Test Z 
Driving Performance > Poor Fuel Economy > Highway Driving > Unloaded GO to Pinpoint Test Z 
Driving Performance > Poor Fuel Economy > Combined > Unloaded GO to Pinpoint Test Z 
Driving Performance > Hesitates/Stumble > Acceleration > Intermittent GO to Pinpoint Test Z 
Driving Performance > Hesitates/Stumble > Cruise/ Steady Speed > Intermittent GO to Pinpoint Test Z