P1691 Fault Code
You can find information about the P1691 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Audi P1691
"Malfunction Indication"
Jeep P1691
"Fuel Injection Pump Controller Calibration Failure"
Dodge P1691
"Fuel Injection Pump Controller Calibration Failure"
Chrysler P1691
"Fuel Injection Pump Controller Calibration Failure"
Hyundai P1691
"Immobilizer system – antenna malfunction"
Volkswagen P1691
"MIL Open Circuit"
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