Trouble Code Output

After the initial LED segment check, ECM trouble codes stored in the computer will be displayed on the Fuel Data Center (FDC). Codes will be prefixed with an "E" (ECM) or "F" (BCM) to indicate which computer detected the malfunction. Record all trouble codes displayed. After all trouble codes have been displayed, or there are no trouble codes in the system, a ".7.0" will appear in the display, indicating system is ready for further tests.

NOTE: In the following table, functions within brackets, in the right column are disengaged while the specified fault remains current (hard).

ECM TROUBLE CODES

Code

Circuit Affected

E12 ⁽¹⁾

No distributor signal

E13 ⁽²⁾⁽⁹⁾

Oxygen sensor not ready (AIR & CL)

E14 ⁽²⁾⁽⁸⁾

Shorted coolant sensor circuit (AIR)

E15 ⁽²⁾⁽⁸⁾

Open coolant sensor circuit (AIR)

E16 ⁽¹⁾⁽⁴⁾⁽⁶⁾

Generator voltage too high (all solenoids)

E18 ⁽²⁾

Open crank signal circuit

E19 ⁽²⁾

Shorted fuel pump circuit

E20 ⁽¹⁾

Open fuel pump circuit

E21 ⁽²⁾

Shorted TPS circuit

E22 ⁽²⁾

Open TPS circuit

E23 ⁽²⁾⁽⁷⁾

EST/By-pass circuit problem (AIR & EGR)

E24 ⁽²⁾⁽⁴⁾⁽⁵⁾

Speed sensor circuit

E26 ⁽²⁾

Shorted throttle switch circuit

E27 ⁽²⁾

Open throttle switch circuit

E28 ⁽²⁾

Open 3rd or 4th gear circuit

E30 ⁽²⁾

ISC circuit

E31 ⁽¹⁾

Shorted MAP sensor circuit (AIR)

E32 ⁽¹⁾

Open MAP sensor circuit (AIR)

E34 ⁽¹⁾

MAP signal too high (AIR)

E37 ⁽²⁾

Shorted MAT sensor circuit (AIR)

E38 ⁽²⁾

Open MAT sensor circuit (AIR)

E39 ⁽²⁾

VCC engagement

E40 ⁽²⁾

Open power steering pressure circuit

E44 ⁽¹⁾⁽⁹⁾

Lean exhaust (AIR & CL)

E45 ⁽¹⁾⁽⁹⁾

Rich exhaust (AIR & CL)

E47 ⁽²⁾

ECM-BCM data problem

E48 ⁽²⁾

EGR system (EGR)

E52 ⁽³⁾

ECM memory reset indicator

E53 ⁽³⁾

Distributor signal interrupt

E55 ⁽³⁾

TPS misadjusted

E59 ⁽³⁾

VCC temperature sensor circuit

E60 ⁽³⁾⁽⁶⁾

Transmission not in Drive

E63 ⁽³⁾⁽⁶⁾

Car speed exceeds limit

E64 ⁽³⁾⁽⁶⁾

Car exceeds acceleration limit

E65 ⁽³⁾⁽⁶⁾

Coolant temperature exceeds limit

E66 ⁽³⁾⁽⁶⁾

Engine RPM exceeds limit

E67 ⁽³⁾⁽⁵⁾

Shorted "SET" or "RESUME" circuit

⁽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⁾	This fault disables VCC for entire ignition cycle.

⁽⁵⁾	This fault disables cruise for entire ignition cycle.

⁽⁶⁾	Cruise is disengaged when this code is set.

⁽⁷⁾	This causes system to operate on by-pass spark.

⁽⁸⁾	Forces cooling fans on full speed.

⁽⁹⁾	Enables canister purge.