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P1650 - Power Steering Pressure Switch Out of Self-Test Range

Possible causes
- Faulty Power Steering Pressure (PSP)
- Power Steering Pressure (PSP) harness is open or shorted
- Power Steering Pressure (PSP) circuit poor electrical connection
- Damaged Powertrain Control Module (PCM)
What does this mean? What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1650 Description

In the key ON engine OFF (KOEO) self-test, this code indicates the Power Steering Pressure (PSP) input to the Powertrain Control Module (PCM) is high. In the key ON engine running (KOER) self-test, this code indicates the PSP input did not change state.

P1650 Information for specific makes
P1650 ACURA Engine Control Module Quad Driver / Output Driver
P1650 AUDI CAN Data Bus Instrumentation No Signal
P1650 BUICK Output Driver Module 2 Input High Input Conditions
P1650 CADILLAC Output Driver Module 2 Input High Input Conditions
P1650 CHEVROLET Output Driver Module 2 Input High Input Conditions
P1650 FORD Power Steering Pressure Switch Out of Self-Test Range
P1650 GMC Output Driver Module 2 Input High Input Conditions
P1650 HONDA Engine Control Module Quad Driver / Output Driver
P1650 ISUZU Engine Control Module Quad Driver / Output Driver
P1650 LINCOLN Power Steering Pressure Switch Out of Self-Test Range
P1650 MAZDA Power Steering Pressure Switch Out of Self-Test Range
P1650 MERCURY Power Steering Pressure Switch Out of Self-Test Range
P1650 VOLKSWAGEN CAN Data Bus Instrumentation No Signal
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