P1651 - PSP Switch Input Malfunction/Fan 1 Relay Control Circuit
- Engine Light ON (or Service Engine Soon Warning Light)
PSP Switch Input Malfunction/Fan 1 Relay Control Circuit is one of the definitions for the P1651; however your vehicle's manufacturer may have a different definition for the P1651 code. Please check below for your specific make.
P1651 Information for specific makes
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