Trouble Code Menu

ECM TROUBLE CODES

Code

Circuit Affected

12 ⁽¹⁾⁽⁴⁾

No distributor signal

13 ⁽²⁾

Oxygen sensor not ready

14 ⁽²⁾

Shorted coolant sensor circuit

15 ⁽²⁾

Open coolant sensor circuit

16 ⁽¹⁾⁽⁴⁾

Generator voltage too high

18 ⁽²⁾

Open crank signal circuit

19 ⁽²⁾

Shorted fuel pump circuit

20 ⁽¹⁾⁽⁴⁾

Open fuel pump circuit

21 ⁽²⁾

Shorted TPS circuit

22 ⁽²⁾

Open TPS circuit

23 ⁽²⁾

EST/By-pass circuit problem

24 ⁽²⁾⁽⁴⁾

Speed sensor circuit

26 ⁽²⁾

Shorted throttle switch circuit

27 ⁽²⁾

Open throttle switch circuit

28 ⁽²⁾

Open 3rd/4th gear circuit

30 ⁽²⁾

ISC circuit

31 ⁽¹⁾⁽⁴⁾

Shorted MAP sensor circuit

32 ⁽¹⁾⁽⁴⁾

Open MAP sensor circuit

33 ⁽¹⁾⁽⁴⁾

MAP/BARO sensor correlation

34 ⁽¹⁾⁽⁴⁾

MAP signal too high

35 ⁽²⁾

Shorted BARO sensor circuit

36 ⁽²⁾

Open BARO sensor circuit

37 ⁽²⁾

Shorted MAT sensor circuit

38 ⁽²⁾

Open MAT sensor circuit

39 ⁽²⁾

TCC engagement

44 ⁽¹⁾⁽⁴⁾

Lean exhaust

45 ⁽¹⁾⁽⁴⁾

Rich exhaust

51 ⁽¹⁾⁽⁴⁾

PROM error

52 ⁽³⁾

ECM memory reset indicator

53 ⁽³⁾

Distributor signal interrupt

60 ⁽³⁾

Transmission not in Drive

63 ⁽³⁾

Car speed exceeds limit

64 ⁽³⁾

Car exceeds acceleration limit

65 ⁽³⁾

Coolant temperature exceeds limit

66 ⁽³⁾

Engine RPM exceeds limit

67 ⁽³⁾

Shorted "SET" or "RESUME" circuit

.7.0

System ready for further tests

.7.1

Cruise control brake circuit test

.7.2

Throttle switch circuit test

.7.3

Drive circuit test

.7.4

Reverse circuit test

.7.5

Cruise "ON/OFF" circuit test

.7.6

"SET/COAST" circuit test

.7.7

"RESUME/ACCEL" circuit test

.7.8

"INSTANT/AVERAGE" circuit test

.7.9

"RESET circuit test

.8.0

A/C clutch circuit test

.9.0

System ready to display engine data

.9.5

System ready for output cycling, or in fixed spark mode

.9.6

Output cycling

.0.0

All diagnostics complete

⁽¹⁾	This fault turns on "SERVICE NOW" light.

⁽²⁾	This fault turns on "SERVICE SOON" light.

⁽³⁾	This fault does not turn on any light.

⁽⁴⁾	Cruise is disengaged when this code is set.