Checking the component and wiring

Check the cable between Engine control module (ECM) #B46 and Driver information module (DIM) #4 for open circuit according to: Checking wiring and terminals. Permanent fault

Remedy as necessary.

Other information

To connect the breakout box to the Engine control module (ECM), see: Connecting the breakout box
To connect the breakout box to the driver information module (DIM), see: Connecting the Driver Information Module (DIM) test box
See Driver information module (DIM), replacing
Signal description engine control module (ECM):
- For 6 cylinder engines -2001, see Signal specification
- For 6 cylinder engines 2002-, see Signal specification
- For 6 cylinder engines -2004, see Signal specification
- For 6 cylinder engines 2005-, see Signal specification .
Signal description Driver information module (DIM): Driver Information Module (DIM) signal description