VDP Codes galore Help!
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From: Puerto Rico
VDP Codes galore Help!
The codes are the following:
P0128
P1121
P1122
P1642
P1637
and of course the usual P1000.
Except for P0128, they all point at an electric problem. Am I right? What is P0128? What is my best course of action? Along with all these codes, the symptoms are: rough idle with engine failsafe and gearbox failure warnings as well as ABS, traction control and stability control warnings.
Sometimes the engine failsafe and gearbox warnings clear and the car is perfectly driveable. When they're present the car is undriveable.
Battery new and battery terminals are new as well. Any thoughts?
MY 2000 Vanden Plas
P0128
P1121
P1122
P1642
P1637
and of course the usual P1000.
Except for P0128, they all point at an electric problem. Am I right? What is P0128? What is my best course of action? Along with all these codes, the symptoms are: rough idle with engine failsafe and gearbox failure warnings as well as ABS, traction control and stability control warnings.
Sometimes the engine failsafe and gearbox warnings clear and the car is perfectly driveable. When they're present the car is undriveable.
Battery new and battery terminals are new as well. Any thoughts?
MY 2000 Vanden Plas
Junior Member
Joined: Aug 2014
Posts: 11
Likes: 0
From: west midlands
The codes are the following:
P0128
P1121
P1122
P1642
P1637
and of course the usual P1000.
Except for P0128, they all point at an electric problem. Am I right? What is P0128? What is my best course of action? Along with all these codes, the symptoms are: rough idle with engine failsafe and gearbox failure warnings as well as ABS, traction control and stability control warnings.
Sometimes the engine failsafe and gearbox warnings clear and the car is perfectly driveable. When they're present the car is undriveable.
Battery new and battery terminals are new as well. Any thoughts?
MY 2000 Vanden Plas
P0128
P1121
P1122
P1642
P1637
and of course the usual P1000.
Except for P0128, they all point at an electric problem. Am I right? What is P0128? What is my best course of action? Along with all these codes, the symptoms are: rough idle with engine failsafe and gearbox failure warnings as well as ABS, traction control and stability control warnings.
Sometimes the engine failsafe and gearbox warnings clear and the car is perfectly driveable. When they're present the car is undriveable.
Battery new and battery terminals are new as well. Any thoughts?
MY 2000 Vanden Plas
I'am running a xj 308 3.2 1999 similar engine, and i have the same problems.
P0128 relates to coolant thermostat problems (not reaching the temperature governed by the thermostat)
go to obd-codes .com all the codes are listed both generic, for any car, and the dedicated jaguar codes.
briefly P1121/P1122 relate to throttle position sensor,located towards the rear top of engine by bulkhead.
P1637,ECM/ABSCM CIRCUIT NETWORK MALFUNCTION not sure about that.
P1642 fuel pump, these are jag codes, P0128 is generic any car.
I'am going to start by cleaning and checking electrical connections and sensors.sorry thats as far as i have got so far.
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