GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code (DTC)

LD8 /L37 Domestic with RPO NT7 or NU5

LD8 /L37 Unleaded Export with RPO NF9

LD8 /L37 Unleaded Export Japan with RPO NA3

L37 Domestic with RPO BO5

DTC P0016

B

B

B

B

DTC P0030

B

B

B

B

DTC P0036

B

B

B

B

DTC P0050

B

B

B

B

DTC P0053

B

B

B

B

DTC P0054

B

B

B

B

DTC P0059

B

B

B

B

DTC P0068

A

A

A

A

DTC P0101

B

B

B

B no MIL

DTC P0102

B

B

B

B

DTC P0103

B

B

B

B

DTC P0106

B

B

B

B no MIL

DTC P0107

B

B

B

B

DTC P0108

B

B

B

B

DTC P0112

B

B

B

B

DTC P0113

B

B

B

B

DTC P0116

B

X

B

X

DTC P0117

B

B

B

B

DTC P0118

B

B

B

B

DTC P0120

A

A

A

A

DTC P0121

B

B

B

B no MIL

DTC P0122

A

A

A

A

DTC P0123

A

A

A

A

DTC P0128

B

X

B

X

DTC P0131

B

B

B

B

DTC P0132

B

B

B

B

DTC P0133

B

B no MIL

B

B no MIL

DTC P0134

B

B

B

B

DTC P0135

B

B

B

B

DTC P0137

B

B

B

B

DTC P0138

B

B

B

B

DTC P0140

B

B

B

B

DTC P0141

B

B

B

B

DTC P0151

B

B

B

B

DTC P0152

B

B

B

B

DTC P0153

B

B no MIL

B

B no MIL

DTC P0154

B

B

B

B

DTC P0155

B

B

B

B

DTC P0171

B

B

B

B no MIL

DTC P0172

B

B

B

B no MIL

DTC P0174

B

B

B

B no MIL

DTC P0175

B

B

B

B no MIL

DTC P0201-P0208

B

B

B

B

DTC P0220

A

A

A

A

DTC P0222

A

A

A

A

DTC P0223

A

A

A

A

DTC P0230

B

B

B

B

DTC P0300

B

B

B

B

DTC P0301-P0308

B

B

B

B

DTC P0315

A

A

A

A

DTC P0324

B

B

B

B no MIL

DTC P0325

B

B

B

B no MIL

DTC P0326

B

B

B

B no MIL

DTC P0327

B

B

B

B no MIL

DTC P0328

B

B

B

B no MIL

DTC P0332

B

B

B

B no MIL

DTC P0333

B

B

B

B no MIL

DTC P0335

B

B

B

B

DTC P0336

B

B

B

B

DTC P0340

B

B

B

B

DTC P0341

B

B

B

B

DTC P0351-P0358

B

B

B

B

DTC P0401

A

A no MIL

A

A no MIL

DTC P0403

B

B

B

B

DTC P0404

B

B

B

B

DTC P0405

B

B

B

B

DTC P0406

B

B

B

B

DTC P0411

B

B

B

X

DTC P0412

B

B

B

X

DTC P0418

B

B

B

X

DTC P0420

A

A

A

A no MIL

DTC P042E

B

B no MIL

B

B no MIL

DTC P0442

A

A no MIL

A no MIL

A no MIL

DTC P0443

B

B

B

B no MIL

DTC P0446

B

B

B

B no MIL

DTC P0449

B

B

B

B no MIL

DTC P0451

A

A no MIL

A no MIL

A no MIL

DTC P0452

B

B

B

B

DTC P0453

B

B

B

B

DTC P0454

A

A no MIL

A no MIL

A no MIL

DTC P0455

B

B

B

B

DTC P0461

B

B

B

B no MIL

DTC P0462

B

B

B

B

DTC P0463

B

B

B

B

DTC P0464

A

A no MIL

A no MIL

A no MIL

DTC P0480

B

B

B

B

DTC P0481

B

B

B

B

DTC P0496

B

B

B

B

DTC P0506

B

B

B

B

DTC P0507

B

B

B

B

DTC P0513

C

C

C

C

DTC P0520

C

C

C

C

DTC P0532

C

C

C

C

DTC P0533

C

C

C

C

DTC P0562

C

C

C

C

DTC P0563

C

C

C

C

DTC P0572

C

C

C

C

DTC P0573

C

C

C

C

DTC P0575

C

C

C

C

DTC P0601

A

A

A

A

DTC P0602

A

A

A

A

DTC P0603

A

A

A

A

DTC P0604

A

A

A

A

DTC P0606

A

A

A

A

DTC P0607

C

C

C

C

DTC P060D

A

A

A

A

DTC P061S

C

C

C

C

DTC P0621

C

C

C

C

DTC P0622

C

C

C

C

DTC P0633

C

C

C

C

DTC P062F

A

A

A

A

DTC P0641

A

A

A

A

DTC P0645

C

C

C

C

DTC P0650

B no MIL

B no MIL

B no MIL

B no MIL

DTC P0651

A

A

A

A

DTC P0685

B

B

B

B

DTC P0690

C

C

C

C

DTC P0700

A no MIL

A no MIL

A no MIL

A no MIL

DTC P0703

C

C

C

C

DTC P0851

C

C

C

C

DTC P0852

C

C

C

C

DTC P0856

C

C

C

C

DTC P1101

B

B

B

B

DTC P1133

B

B no MIL

B

B no MIL

DTC P1153

B

B no MIL

B

B no MIL

DTC P1258

A

A

A

A

DTC P1380

C

C

C

C

DTC P1381

C

C

C

C

DTC P1400

A

A no MIL

A

A no MIL

DTC P1516

A

A

A

A

DTC P1553

C

C

C

X

DTC P1631

C

C

C

C

DTC P1682

A

A

A

A

DTC P2101

A

A

A

A

DTC P2119

C

C

C

C

DTC P2120

A

A

A

A

DTC P2122

A

A

A

A

DTC P2123

A

A

A

A

DTC P2125

A

A

A

A

DTC P2127

A

A

A

A

DTC P2128

A

A

A

A

DTC P2135

A

A

A

A

DTC P2138

A

A

A

A

DTC P2176

A

A

A

A

DTC P2430

B

B

B

X

DTC P2431

B

B

B

X

DTC P2432

B

B

B

X

DTC P2433

B

B

B

X

DTC P2440

B

B

B

X

DTC P2444

A

A

A

X

DTC P2544

B

B

B

B

DTC P2610

B

B

B

B

DTC P2A00

B

B

B

B

DTC P2A01

B

B

B

B

DTC P2A03

B

B

B

B

DTC U0073

B

B

B

B

DTC U0101

B

B

B

B

DTC U0104

C

C

C

X

DTC U0121

C

C

C

C

DTC U0140

C

C

C

C