P1888: Difference between revisions

Dana (talk | contribs)
Created page with "__FORCETOC__ == P1888 - Coolant shut-off valve: Short circuit to B+ == == P1888 - Blocking Valve for Coolant (N82): Short to Plus == ==== Possible Symptoms ==== * Reduced hea..."
 
Dana (talk | contribs)
No edit summary
 
Line 1: Line 1:
__FORCETOC__
__FORCETOC__
== P1888 - Coolant shut-off valve: Short circuit to B+ ==
== P1888 - Coolant shut-off valve: Short circuit to B+ ==
== P1888 - Blocking Valve for Coolant (N82): Short to Plus ==
==== Possible Symptoms ====
==== Possible Symptoms ====


Line 18: Line 17:


==== Special Notes ====
==== Special Notes ====
'''Audi'''
* If coolant migration damaged the wiring harnesses you may find this DTC in conjunction with [[P2755]] or [[P2753]].
'''VW'''
* VW RoW market TPI 2043381 pertains to similar DTCs: [[P1889]] and [[P19A2]].
* Although VW does not have a TPI or recall related to N82 failure for this DTC, the following photo is from a 2013 RoW market (5G / Mk7 / MQB) Golf with CHHB 2.0T which destroyed wiring harness and resulted in a no-start:
* Although VW does not have a TPI or recall related to N82 failure for this DTC, the following photo is from a 2013 RoW market (5G / Mk7 / MQB) Golf with CHHB 2.0T which destroyed wiring harness and resulted in a no-start:


[[File:T14l T14M Terminal damage caused by N82 solenoid.jpg]]
[[File:T14l T14M Terminal damage caused by N82 solenoid.jpg]]


[[Category:Fault Codes]]
[[Category:Fault Codes]]

Latest revision as of 13:17, 24 May 2017

P1888 - Coolant shut-off valve: Short circuit to B+

Possible Symptoms

  • Reduced heat output
  • Stalling, no-start, no communication to control module(s)

Possible Causes

  • Coolant shut-off valve (N82) faulty
  • Wiring or power supply to/from N82 faulty

Possible Solutions

  • Check Coolant shut-off valve (N82)
  • Check for applicable recalls or TPIs related to N82 failure resulting in coolant migration thorough the N82 solenoid connector resting in destroyed wiring harness(es)

Special Notes

Audi

  • If coolant migration damaged the wiring harnesses you may find this DTC in conjunction with P2755 or P2753.

VW

  • VW RoW market TPI 2043381 pertains to similar DTCs: P1889 and P19A2.
  • Although VW does not have a TPI or recall related to N82 failure for this DTC, the following photo is from a 2013 RoW market (5G / Mk7 / MQB) Golf with CHHB 2.0T which destroyed wiring harness and resulted in a no-start: