SSM73095

Service Bulletin Details

Public Details for: SSM73095

Issue: ingenium i4 2.0l diesel vehicles which are logging P026A-77 - charge air cooler efficiency below threshold and P023B-11 - charge air cooler coolant pump control circuit low - circuit short to ground within the powertrain control modu


- 2018 - 2017 - 2016 -

Models from 2018
2018 JAGUAR F-PACE
2018 JAGUAR XE
2018 JAGUAR XF
Models from 2017
2017 JAGUAR F-PACE
2017 JAGUAR XE
2017 JAGUAR XF
Models from 2016
2016 JAGUAR XF 
TOPIx - SSM73095 - DTC P026A -77 and P023B-11 Logged Within PCM
Reference
SSM73095
Models
F-PACE / X761
Page 1 of 2
XE / X760
XF / X260
Title
DTC P026A -77 and P023B-11 Logged Within PCM
Category
Engine
Last modified
25-Sep-2017 00:00:00
Symptom
402000 Cooling System Concerns
Attachments
1SSM73095 Attachment v2.pdf (1SSM73095 Attachment v2.pdf)
Content
Issue:
Ingenium I4 2.0L Diesel vehicles which are logging P026A-77 - Charge Air Cooler
Efficiency Below Threshold and P023B-11 - Charge Air Cooler Coolant Pump
Control Circuit Low - Circuit short to ground within the Powertrain Control Module
(PCM). This diagnostic is directing retailers to replace the Charge Air Cooler Coolant
Pump (T2H2556), however a number of these parts have been returned and no faults
have been found.
Cause:
Upon investigation, a number of different root causes have been identified which should
be addressed before the Charge Air Cooler Coolant Pump is replaced, these are listed
below:
• Potential of air locks in the cooling system
• Harness chafe on the 12+
• Poor earth connection
• Poor fuse connection in the front engine junction box
Action:
Please complete the following checks prior to replacing the Charge Air Cooler Coolant
Pump if P026A-77 or P023B-11 logged within the PCM
• Complete the coolant system bleeding process as per Topix section 303-03A
• Please check ground point G1D132D
• Please view the attached PDF which contains images of the potential electrical
connection issues and potential harness chafe points which could cause these
DTC's.
Please only submit EPQR's for this concern post the assured VIN's listed below.
• X760 (SOL) A927465
• X260 - Y51889
https://topix.jaguar.jlrext.com/topix/service/document/822772
10/3/2017
TOPIx - SSM73095 - DTC P026A -77 and P023B-11 Logged Within PCM
Page 2 of 2
• X761 - A240739
Technicians - Please rate this SSM and provide comments so that future
communications can be improved.
1 = Poor – Basic information provided – The SSM does not help me resolve the
customer concern.
3 = Average – Adequate information provided – The SSM partially helps me resolve the
customer concern.
5 = Excellent – All required information provided to resolve the customer concern.
https://topix.jaguar.jlrext.com/topix/service/document/822772
10/3/2017

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