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Fault Codes

FAULT CODES

Fault Code System Fault Description
11  Open or short in O2 sensor circuit
12  Open or short in airflow sensor circuit
13  Open or short in intake air temp. sensor circuit
14  Open or short in TPS circuit
15 (1) Open or short in motor position sensor circuit
21  Open or short in coolant temp. sensor circuit
22  No voltage change in crank angle sensor signal
23  No voltage change in TDC sensor circuit
24 (2) No voltage change in vehicle speed sensor signal
25  Open or short in barometric pressure sensor
41  Open or short in injector circuit
42  Open or short in fuel pump drive circuit
43 (3) Open or short in EGR temp. sensor circuit
44 (4) Open or short in either ignition coil circuit
(1) Except Sigma.
(2) Will not turn on CHECK ENGINE light.
(3) California only. Except Sigma.
(4) Chrysler Motors models only.
FAULT CODES

Fault Code System Fault Description
11  Open or short in O2 sensor circuit
12  Open or short in airflow sensor circuit
13  Open or short in intake air temp. sensor circuit
14  Open or short in TPS circuit
21  Open or short in coolant temp. sensor circuit
22  No voltage change in crank angle sensor signal
23  No voltage change in TDC sensor circuit
24 (1) No voltage change in vehicle speed sensor signal
25  Open or short in barometric pressure sensor
41  Open or short in injector circuit
42  Open or short in fuel pump drive circuit
43 (2) Open or short in EGR temp. sensor circuit
44 (3) Open or short in either ignition coil circuit
(1) Will not turn on CHECK ENGINE light.
(2) California only. Except Sigma.
(3) Chrysler Motors models only.