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sprinkles08, ASE Certified Technician
Category: Australia Car
Satisfied Customers: 21439
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Have a 2006 Jeep Renegade Diesel 155000km. Over the past 4

Customer Question

Hi...Have a 2006 Jeep Renegade Diesel 155000km.
Over the past 4 months it has been losing power once or twice a week . Its quite dramatic...will be driving along OK...then feels like its labouring with no power or acceleration. After stopping ..turning off and on its back to normal until next time.The codes coming up are:PO 674 cal 4 glow plug circuit
PO 093 fuel system leak
VO121 loss common ABS
VO 002 Canbus Fault
PO 076 Intake valve, Control Cycling gaugeOur mechanic feels its pointing to a solenoid fault?
Help please
Submitted: 2 months ago.
Category: Australia Car
Expert:  sprinkles08 replied 2 months ago.

Hello and welcome to JustAnswer!

The glow plug code won't be related to power loss but is most likely a failure of the glow plug itself.

P0076 isn't a valid code for this vehicle and could potentially be related to power loss, but it has been reported incorrectly by an aftermarket scan tool.

The P0093 would definitely be related to a power loss if it's setting at that time. This sets when proper rail pressure can't be achieved and could be due to a leaking limit valve, a bad fuel quantity solenoid, injector, the high pressure pump or a fuel delivery issue.

Is there any abnormal smoke from the tailpipe?

Customer: replied 2 months ago.
Hi..I dont believe there is any...but will check that this morning...what would be ur recommendation from a scan on a jeep computer?
Expert:  sprinkles08 replied 2 months ago.

A factory scan tool may be necessary to see what codes are actually setting. It's possible that the ECM is setting a P0076 when it shouldn't be capable but it's more likely that the code was reported incorrectly.

Customer: replied 2 months ago.
OK...have booked it in for next week at Jeep Frankston for a scan...will get back to you with results...thanks
Expert:  sprinkles08 replied 2 months ago.

You're welcome!

Customer: replied 2 months ago.
Hi...Had the scan done today...the result was a
C 1202 "system voltage low " fault.,,but they said that
the TCM and PCM were both offline.
They didn't have access to the previous off market faults thrown up that I sent you...but mentioned that looking at it... it may be a problem from within the powertrain or transmission that couldn't necessarily throw up a fault because they are off..
Customer: replied 2 months ago.
What does this mean...what do you suggest from here?
Expert:  sprinkles08 replied 2 months ago.

C1202 isn't a valid code. Where did you take the vehicle?

Customer: replied 2 months ago.
sorry typo..C 2102
Expert:  sprinkles08 replied 2 months ago.

That's not valid either.

Customer: replied 2 months ago.
actually Im looking thru the receipt and invoice and they have the make and model correct on the invoice but on the custom report for the is marked 2006 Jeep Liberty..but has correct Vin Number? There is only the 1 item...looks like SAS(ECU) DTC code C2102 System Voltage low . Does this mean they have used a different model setting on the scan?
Expert:  sprinkles08 replied 2 months ago.

It's a Liberty. Renegade is the trim package.

Customer: replied 2 months ago.
Ive called them about the was done at Jeep Bayside Frankston. They say its the standard jeep equipment Witech Beta
The car has lost power a number of times since having been scanned on the after market scanner...why is nothing other than this low voltage code and the TCM & PCM being offline?
there answer was they felt the fact that the TCM and PCM were offline would indicate thats possibly where the fault was as the loss of power was from the car going into a safety mode...and the fact that there were no codes thrown up was more likely because the fault were actually in 1 of those 2 areas...they felt the Cambus codes v0002 possibly reinforced that...but at the end of the day it is were do we start to look and the best place would be those modules
Expert:  sprinkles08 replied 2 months ago.

U0002 sets in the ABS module sets when there is a CAN C bus issue that the ABS module has seen. This coudl be the ECM, TCM, the ABS module, front control module or a wiring issue and will take electrical testing at the time the code is active to determine what is wrong. This is going to require a scan tool and in depth electrical testing at the time the problem is happening.

Customer: replied 2 months ago.
that sounds like a pretty daunting its so intermittent
Expert:  sprinkles08 replied 2 months ago.

Unless a wiring issue can be found visually it will take testing at the time the problem is happening to diagnose it.

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