Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 1998 >> Taurus V6-3.0L VIN 2 Flex Fuel >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Testing and Inspection >> Diagnostic Trouble Code Descriptions >> Power Steering Pressure (PSP) Switch
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Power Steering Pressure (PSP) Switch

DESCRIPTION
Is used on certain applications to signal the powertrain control module when the power steering pressure exceeds a specific limit. Then the powertrain control module will adjust idle speed to compensate for this added load on the engine. This increase in engine rpm is used as an input to the PCM to adjust EPC pressure to the transaxle.

SYMPTOMS
- Failed ON - EPC slightly high, firm engagements, firm shifts, harsh coastdown shifts.
- Failed OFF - EPC pressure slightly low during increased loading of the vehicle power steering.

DTCs
P0552, P0553, P1550, P1650, P1651

pro multis · About Operation CHARM