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Home >> Volvo >> 2003 >> C70 2.4 58 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Performance Diagnostic Trouble Code (DTC) Diagnostics - 4 Of 14 (Convertible) >> ECM-1000: Control Module. Signal Too High/Signal Too Low. Intermittent Fault (B5234T3; 1999-2002) >> Diagnostic trouble code (DTC) information
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Diagnostic trouble code (DTC) information

Condition 

Fig 1: Identifying Engine Control Module
GLL103038Courtesy of VOLVO CARS OF NORTH AMERICA.

If the control module registers that a signal from the internal atmospheric pressure sensor is faulty, the control module interprets this as a fault and ECM-1000 is stored after 20 seconds.

Substitute Value 

The control module assumes 1013 hPa (14.7 psi) air pressure corresponding to sea level.

Possible Source 

Signal too high: 

Signal too low: 

Fault symptom[s]