Diagnostic trouble code (DTC) information

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Condition

Diagnostic trouble code (DTC) ECM-70 is stored if the control module registers that the throttle position sensor signal cable between the engine control module (ECM) and the DSA control module has a short-circuit to ground / voltage or if there is an open-circuit in the circuit.

Substitute Value

DSA function disabled.

Possible Source

Signal too high:

Short-circuit to supply voltage in the signal cable.

Signal too low:

Contact resistance in the terminals
Short-circuit to ground in the signal cable.

Signal missing:

Contact resistance in the terminals
Open-circuit in the signal cable.

Fault symptom[s]

DSA-lamp lights
No DSA function.