Join Now
International Automotive Technicians Network

U1152 Diagnostic Trouble Code Discussion for September 2008

Lost Communication With HCM Module


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC U1152
Help Request Posted
2002 GMC Envoy SLE 4.2L guages inop VIN: 1GKDT13S22
U1152: loss hvac com. Here's a good one for you GM techs . on every module I can get loss of communication codes. Basically it has to sit over night first thing in the morning at about 50 degrees the IPC will only have a speedo and a tach the other guages are inop and idiot lights ...
September 25, 2008
2002 GMC Envoy SLE 4.2L guages inop VIN: 1GKDT13S22
U1152: loss hvac com. Here's a good one for you GM techs . on every module I can get loss of communication codes. Basically it has to sit over night first thing in the morning at about 50 degrees the IPC will only have a speedo and a tach the other guages are inop and idiot lights ...
September 29, 2008
2002 GMC Envoy SLE 4.2L guages inop VIN: 1GKDT13S22
U1152: loss hvac com. Here's a good one for you GM techs . on every module I can get loss of communication codes. Basically it has to sit over night first thing in the morning at about 50 degrees the IPC will only have a speedo and a tach the other guages are inop and idiot lights ...
September 25, 2008
2002 GMC Envoy SLE 4.2L guages inop VIN: 1GKDT13S22
U1152: loss hvac com. Here's a good one for you GM techs . on every module I can get loss of communication codes. Basically it has to sit over night first thing in the morning at about 50 degrees the IPC will only have a speedo and a tach the other guages are inop and idiot lights ...
September 29, 2008