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Discussion starter · #24 · (Edited)
GMLAN Pinouts

obd-II pinout for Buick, Chevrolet, Cadillac, Pontiac, GMC, Holden

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Pin
Number
Pin
Name
Description
1Low Speed GMLAN Serial Data.
  • Amplifier (Amp)
  • Rear seat audio (RSA)
  • Vehicle communication interface module (VCIM)
  • Digital radio receiver (DRR)
  • Inside rearview mirror module (ISRVM), connected through the mid I/P fuse block
  • Instrument panel cluster (IPC)
  • Body control module (BCM)
  • Theft deterrent module (TDM)
  • Heater ventilation and air conditioning (HVAC)
  • Radio
  • Driver door switch (DDS), connected through the left I/P fuse block
  • Passenger door switch (PDS), connected through the right I/P fuse block
  • Articulating running board module (ARBM)
  • Ultrasonic park assist (UPA)
  • Memory seat module (MSM)
  • Liftgate module (LGM)
  • Passenger presence system (PPS)
  • Inflatable restraint vehicle rollover sensor (ROS)
  • Inflatable restraint sensing and diagnostic module (SDM)
2J1708SAE J1708 Serial Data (Trucks only)
3PTLAN (+)high speed hybrid GMLAN serial data bus (+) terminal (with Hybrid propulsion electric)
4GNDChassis ground
5SGNDSignal Ground
6HS-CAN (+)High Speed GMLAN Serial Data Bus +. Communication between the body control module (BCM), ECM, transmission control module (TCM), vehicle communication interface module (VCIM), 4WD control module, EBCM, and the suspension control module depending on RPO
7KW200Keyword 2000 Serial Data (on some models) / SAE J1708 Serial Data A (Trucks only)
8Central Control Module Diagnosis Enable (some Holden models)
11PTLAN (-)high speed hybrid GMLAN serial data bus (+) terminal (with Hybrid propulsion electric)
14HS-CAN(-)E&C (High Speed GMLAN Serial Data Bus -)
15J1708 BSAE J1708 Serial Data B (Trucks only)
16Battery+Battery Positive Voltage

OBD-2 compatibility list

Chevrolet Cruze2.0 VCDi, Diesel (150HP)2010CAN 11bit (500kb)
2.0 VCDI, Diesel (163HP)2011CAN 11bit (500kb)

all after-1996 Opel models - including Vauxhall

Pin
Number​

Name​
Description​
2​
K-Line ABS diagnostic
3​
K-Line Radio, automatic transmission, immobilizer, steering wheel and other components
4​
GND Chassis ground
5​
GND Signal ground
6​
CAN-High, J-2284 If car isn't equipped with CAN bus, you'll find self-diagnostic slow codes (e.g. on Astra-F-G) or ABS K-Line at this pin
7​
K-Line Engine, ABS, AT, Airbag, Navigation system, Radio diagnostic
8​
K-Line TID, MID diagnostic
9​
K-Line ABS, Airbag
11​
K-Line Automatic transmission diagnostic
12​
K-Line TID, MID, ABS, AirBag, air conditioner, Kuhlerlufter-Steuergerat
13​
K-Line immobilizer, MID, Airbag diagnostic
14​
CAN-Low, J-2284 if CAN present
16​
+12V Accumulator

Daewoo OBD-II diagnostic interface pinout - including Daewoo Lacetti (2004+)

PinSignalDescription
2J1850 Bus+
4CGNDGND
5SGNDGND
6CAN HighJ-2284
7K-LINE(ISO 9141-2 and ISO/DIS 14230-4)
10J1850 Bus-
14CAN Low(ISO 9141-2 and ISO/DIS 14230-4)
15ISO 9141-2 L-LINETx/Rx
16+12vBattery power

Daewoo OBD-2 compatibility list

Daewoo Lacetti1.6, Gasoline or LPG (107HP)2004KWP FAST


 
Discussion starter · #25 · (Edited)
ECU pinouts (These are specifically for a 2012, but should generally be close to other years I would think) These are from this post and are incomplete, but I will update when I can.
The ECU type for a 2012-2016 is a GM-E78 with a hardware code of 12668866 and a GM Part # 12670942



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I found more info from this post.

X1 Connector Pinouts

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