× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1996 GMC C2500 Sierra SL 6.5L MIL Lamp on
Posted to GM Driveability on 4/21/2004 5 Replies

This is a new truck to me. It had a code p1656b- wastegate solenoid control circuit code. There was a code p0235b- turbo charger boost system problem, this has not reset. Ilooked at the freeze frame data and didn't see anything that looked out of line, but the...

5 Replies Received (View Replies)

  Related Documents & Media  1996 GMC C2500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1996 GMC C2500 Sierra SL

VIN 1GTGC29F3T
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

1656wastegate solenoid control circuit
236turbo charger boost system
Message Closed w/FIX

car Vehicle Data

1996 GMC C2500 Sierra SL

VIN 1GTGC29F3T
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

1656wastegate solenoid control circuit
236turbo charger boost system