For vehicles with CAN, when DTC which influences the transmission data is set to the ECU which sends the data, DTC also could be set to the ECU which receives and controls the transmission data. The table below shows the relativity of DTC between ECUs. In addition, the alphabet shows the following DTC.

A: TCL - (Refer to DTC NO. U1073 - Traction control system diagnosis)
B: TCL - (Refer to DTC NO. U1120 - Traction control system diagnosis)
C: Air conditioner - (Refer to DTC NO. U1120 - Manual A/C diagnosis)

D: SWS - (Refer to DTC NO. U1128 - SWS diagnosis)

INTERSYSTEM AFFILIATED DTC REFERENCE CHART

CAUSAL DTC NO.		DTC SET NO.
SYSTEM NAME	DTC NO.	A	B	C	D
(< 2.4 L engine > Refer to - DIAGNOSTIC TROUBLE CODE CHART < 3.8 L engine > Refer to - DIAGNOSTIC TROUBLE CODE CHART )	P0101, P0102, P0103, P0111, P0112, P0113, P0116, P0122, P0123, P0125, P0134, P0154, P0171, P0172, P0174, P0175		X
	P0117, P0118		X	X
	P0201, P0202, P0203, P0204, P0205, P0206, P0222, P0223		X
	P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0325, P0335, P0340		X
	P0506, P0507		X
	P0638, P0657		X
	P1601, P2108, P2127, P2128, P2135, P2227, P2228		X
	P2138	X	X
	P2122, P2123	X	X
Combination meter (Refer to DIAGNOSTIC TROUBLE CODE CHART )	U1120				X

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

INTERSYSTEM Affiliated DTC Reference Table

Use the Manual With the Right Hardware

When to See a Mechanic