P0700moderate severityPowertrain
Transmission Control System (MIL Request)
on 2004 GMC Yukon 5.3L V8 Vortec · RWD
What this code means
The Transmission Control Module (TCM) has requested the PCM to turn on the Check Engine Light due to a transmission fault. There will be additional transmission-specific codes stored.
Symptoms
- Check Engine Light
- Possible shift problems
- May be in limp mode
Common causes
- Various transmission issues - check for additional codes
- TCM detected a fault
- Wiring issue between TCM and PCM
Diagnostic steps
- Read ALL codes including transmission-specific codes
- Check transmission fluid level and condition
- Address other transmission codes first
Repair notes
This is an informational code. Look for other P07xx and P08xx codes that explain the actual problem.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1